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-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/Makefile4
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c104
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h5
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c42
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c722
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.h34
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c49
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c104
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c562
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c330
10 files changed, 1521 insertions, 435 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/Makefile b/drivers/gpu/drm/amd/display/amdgpu_dm/Makefile
index af16973f2c41..94911871eb9b 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/Makefile
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/Makefile
@@ -28,11 +28,11 @@
AMDGPUDM = amdgpu_dm.o amdgpu_dm_irq.o amdgpu_dm_mst_types.o amdgpu_dm_color.o
ifneq ($(CONFIG_DRM_AMD_DC),)
-AMDGPUDM += amdgpu_dm_services.o amdgpu_dm_helpers.o
+AMDGPUDM += amdgpu_dm_services.o amdgpu_dm_helpers.o amdgpu_dm_pp_smu.o
endif
ifneq ($(CONFIG_DEBUG_FS),)
-AMDGPUDM += amdgpu_dm_crc.o
+AMDGPUDM += amdgpu_dm_crc.o amdgpu_dm_debugfs.o
endif
subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/dc
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 770c6b24be0b..34f34823bab5 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -39,6 +39,9 @@
#include "dm_helpers.h"
#include "dm_services_types.h"
#include "amdgpu_dm_mst_types.h"
+#if defined(CONFIG_DEBUG_FS)
+#include "amdgpu_dm_debugfs.h"
+#endif
#include "ivsrcid/ivsrcid_vislands30.h"
@@ -57,7 +60,7 @@
#include "modules/inc/mod_freesync.h"
-#if defined(CONFIG_DRM_AMD_DC_DCN1_0)
+#ifdef CONFIG_X86
#include "ivsrcid/irqsrcs_dcn_1_0.h"
#include "dcn/dcn_1_0_offset.h"
@@ -347,7 +350,6 @@ static void hotplug_notify_work_func(struct work_struct *work)
drm_kms_helper_hotplug_event(dev);
}
-#if defined(CONFIG_DRM_AMD_DC_FBC)
/* Allocate memory for FBC compressed data */
static void amdgpu_dm_fbc_init(struct drm_connector *connector)
{
@@ -388,7 +390,6 @@ static void amdgpu_dm_fbc_init(struct drm_connector *connector)
}
}
-#endif
/* Init display KMS
@@ -902,14 +903,14 @@ amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector)
(struct edid *) sink->dc_edid.raw_edid;
- drm_mode_connector_update_edid_property(connector,
+ drm_connector_update_edid_property(connector,
aconnector->edid);
}
amdgpu_dm_add_sink_to_freesync_module(connector, aconnector->edid);
} else {
amdgpu_dm_remove_sink_from_freesync_module(connector);
- drm_mode_connector_update_edid_property(connector, NULL);
+ drm_connector_update_edid_property(connector, NULL);
aconnector->num_modes = 0;
aconnector->dc_sink = NULL;
aconnector->edid = NULL;
@@ -1040,7 +1041,7 @@ static void handle_hpd_rx_irq(void *param)
if (dc_link->type != dc_connection_mst_branch)
mutex_lock(&aconnector->hpd_lock);
- if (dc_link_handle_hpd_rx_irq(dc_link, NULL) &&
+ if (dc_link_handle_hpd_rx_irq(dc_link, NULL, NULL) &&
!is_mst_root_connector) {
/* Downstream Port status changed. */
if (dc_link_detect(dc_link, DETECT_REASON_HPDRX)) {
@@ -1191,7 +1192,7 @@ static int dce110_register_irq_handlers(struct amdgpu_device *adev)
return 0;
}
-#if defined(CONFIG_DRM_AMD_DC_DCN1_0)
+#ifdef CONFIG_X86
/* Register IRQ sources and initialize IRQ callbacks */
static int dcn10_register_irq_handlers(struct amdgpu_device *adev)
{
@@ -1319,7 +1320,12 @@ static int amdgpu_dm_backlight_update_status(struct backlight_device *bd)
static int amdgpu_dm_backlight_get_brightness(struct backlight_device *bd)
{
- return bd->props.brightness;
+ struct amdgpu_display_manager *dm = bl_get_data(bd);
+ int ret = dc_link_get_backlight_level(dm->backlight_link);
+
+ if (ret == DC_ERROR_UNEXPECTED)
+ return bd->props.brightness;
+ return ret;
}
static const struct backlight_ops amdgpu_dm_backlight_ops = {
@@ -1334,6 +1340,7 @@ amdgpu_dm_register_backlight_device(struct amdgpu_display_manager *dm)
struct backlight_properties props = { 0 };
props.max_brightness = AMDGPU_MAX_BL_LEVEL;
+ props.brightness = AMDGPU_MAX_BL_LEVEL;
props.type = BACKLIGHT_RAW;
snprintf(bl_name, sizeof(bl_name), "amdgpu_bl%d",
@@ -1525,16 +1532,12 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
goto fail;
}
break;
-#if defined(CONFIG_DRM_AMD_DC_DCN1_0)
+#ifdef CONFIG_X86
case CHIP_RAVEN:
if (dcn10_register_irq_handlers(dm->adev)) {
DRM_ERROR("DM: Failed to initialize IRQ\n");
goto fail;
}
- /*
- * Temporary disable until pplib/smu interaction is implemented
- */
- dm->dc->debug.disable_stutter = true;
break;
#endif
default:
@@ -1542,6 +1545,9 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
goto fail;
}
+ if (adev->asic_type != CHIP_CARRIZO && adev->asic_type != CHIP_STONEY)
+ dm->dc->debug.disable_stutter = amdgpu_pp_feature_mask & PP_STUTTER_MODE ? false : true;
+
return 0;
fail:
kfree(aencoder);
@@ -1573,18 +1579,6 @@ static void dm_bandwidth_update(struct amdgpu_device *adev)
/* TODO: implement later */
}
-static void dm_set_backlight_level(struct amdgpu_encoder *amdgpu_encoder,
- u8 level)
-{
- /* TODO: translate amdgpu_encoder to display_index and call DAL */
-}
-
-static u8 dm_get_backlight_level(struct amdgpu_encoder *amdgpu_encoder)
-{
- /* TODO: translate amdgpu_encoder to display_index and call DAL */
- return 0;
-}
-
static int amdgpu_notify_freesync(struct drm_device *dev, void *data,
struct drm_file *filp)
{
@@ -1613,10 +1607,8 @@ static int amdgpu_notify_freesync(struct drm_device *dev, void *data,
static const struct amdgpu_display_funcs dm_display_funcs = {
.bandwidth_update = dm_bandwidth_update, /* called unconditionally */
.vblank_get_counter = dm_vblank_get_counter,/* called unconditionally */
- .backlight_set_level =
- dm_set_backlight_level,/* called unconditionally */
- .backlight_get_level =
- dm_get_backlight_level,/* called unconditionally */
+ .backlight_set_level = NULL, /* never called for DC */
+ .backlight_get_level = NULL, /* never called for DC */
.hpd_sense = NULL,/* called unconditionally */
.hpd_set_polarity = NULL, /* called unconditionally */
.hpd_get_gpio_reg = NULL, /* VBIOS parsing. DAL does it. */
@@ -1724,7 +1716,7 @@ static int dm_early_init(void *handle)
adev->mode_info.num_dig = 6;
adev->mode_info.plane_type = dm_plane_type_default;
break;
-#if defined(CONFIG_DRM_AMD_DC_DCN1_0)
+#ifdef CONFIG_X86
case CHIP_RAVEN:
adev->mode_info.num_crtc = 4;
adev->mode_info.num_hpd = 4;
@@ -2123,13 +2115,8 @@ convert_color_depth_from_display_info(const struct drm_connector *connector)
static enum dc_aspect_ratio
get_aspect_ratio(const struct drm_display_mode *mode_in)
{
- int32_t width = mode_in->crtc_hdisplay * 9;
- int32_t height = mode_in->crtc_vdisplay * 16;
-
- if ((width - height) < 10 && (width - height) > -10)
- return ASPECT_RATIO_16_9;
- else
- return ASPECT_RATIO_4_3;
+ /* 1-1 mapping, since both enums follow the HDMI spec. */
+ return (enum dc_aspect_ratio) mode_in->picture_aspect_ratio;
}
static enum dc_color_space
@@ -3093,15 +3080,25 @@ static int dm_plane_helper_prepare_fb(struct drm_plane *plane,
else
domain = AMDGPU_GEM_DOMAIN_VRAM;
- r = amdgpu_bo_pin(rbo, domain, &afb->address);
- amdgpu_bo_unreserve(rbo);
-
+ r = amdgpu_bo_pin(rbo, domain);
if (unlikely(r != 0)) {
if (r != -ERESTARTSYS)
DRM_ERROR("Failed to pin framebuffer with error %d\n", r);
+ amdgpu_bo_unreserve(rbo);
return r;
}
+ r = amdgpu_ttm_alloc_gart(&rbo->tbo);
+ if (unlikely(r != 0)) {
+ amdgpu_bo_unpin(rbo);
+ amdgpu_bo_unreserve(rbo);
+ DRM_ERROR("%p bind failed\n", rbo);
+ return r;
+ }
+ amdgpu_bo_unreserve(rbo);
+
+ afb->address = amdgpu_bo_gpu_offset(rbo);
+
amdgpu_bo_ref(rbo);
if (dm_plane_state_new->dc_state &&
@@ -3471,12 +3468,15 @@ static int amdgpu_dm_connector_get_modes(struct drm_connector *connector)
struct edid *edid = amdgpu_dm_connector->edid;
encoder = helper->best_encoder(connector);
- amdgpu_dm_connector_ddc_get_modes(connector, edid);
- amdgpu_dm_connector_add_common_modes(encoder, connector);
-#if defined(CONFIG_DRM_AMD_DC_FBC)
+ if (!edid || !drm_edid_is_valid(edid)) {
+ drm_add_modes_noedid(connector, 640, 480);
+ } else {
+ amdgpu_dm_connector_ddc_get_modes(connector, edid);
+ amdgpu_dm_connector_add_common_modes(encoder, connector);
+ }
amdgpu_dm_fbc_init(connector);
-#endif
+
return amdgpu_dm_connector->num_modes;
}
@@ -3495,7 +3495,6 @@ void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
aconnector->base.stereo_allowed = false;
aconnector->base.dpms = DRM_MODE_DPMS_OFF;
aconnector->hpd.hpd = AMDGPU_HPD_NONE; /* not used */
-
mutex_init(&aconnector->hpd_lock);
/* configure support HPD hot plug connector_>polled default value is 0
@@ -3504,9 +3503,13 @@ void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
switch (connector_type) {
case DRM_MODE_CONNECTOR_HDMIA:
aconnector->base.polled = DRM_CONNECTOR_POLL_HPD;
+ aconnector->base.ycbcr_420_allowed =
+ link->link_enc->features.ycbcr420_supported ? true : false;
break;
case DRM_MODE_CONNECTOR_DisplayPort:
aconnector->base.polled = DRM_CONNECTOR_POLL_HPD;
+ aconnector->base.ycbcr_420_allowed =
+ link->link_enc->features.ycbcr420_supported ? true : false;
break;
case DRM_MODE_CONNECTOR_DVID:
aconnector->base.polled = DRM_CONNECTOR_POLL_HPD;
@@ -3659,10 +3662,17 @@ static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm,
link,
link_index);
- drm_mode_connector_attach_encoder(
+ drm_connector_attach_encoder(
&aconnector->base, &aencoder->base);
drm_connector_register(&aconnector->base);
+#if defined(CONFIG_DEBUG_FS)
+ res = connector_debugfs_init(aconnector);
+ if (res) {
+ DRM_ERROR("Failed to create debugfs for connector");
+ goto out_free;
+ }
+#endif
if (connector_type == DRM_MODE_CONNECTOR_DisplayPort
|| connector_type == DRM_MODE_CONNECTOR_eDP)
@@ -3959,8 +3969,6 @@ static void amdgpu_dm_do_flip(struct drm_crtc *crtc,
/* Flip */
spin_lock_irqsave(&crtc->dev->event_lock, flags);
- /* update crtc fb */
- crtc->primary->fb = fb;
WARN_ON(acrtc->pflip_status != AMDGPU_FLIP_NONE);
WARN_ON(!acrtc_state->stream);
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
index d5aa89ad5571..a29dc35954c9 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -72,13 +72,11 @@ struct irq_list_head {
struct work_struct work;
};
-#if defined(CONFIG_DRM_AMD_DC_FBC)
struct dm_comressor_info {
void *cpu_addr;
struct amdgpu_bo *bo_ptr;
uint64_t gpu_addr;
};
-#endif
struct amdgpu_display_manager {
@@ -129,9 +127,8 @@ struct amdgpu_display_manager {
* Caches device atomic state for suspend/resume
*/
struct drm_atomic_state *cached_state;
-#if defined(CONFIG_DRM_AMD_DC_FBC)
+
struct dm_comressor_info compressor;
-#endif
};
struct amdgpu_dm_connector {
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
index b329393307e5..326f6fb7e0bc 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
@@ -231,18 +231,21 @@ void amdgpu_dm_set_ctm(struct dm_crtc_state *crtc)
* preparation for hardware commit. If no lut is specified by user, we default
* to SRGB degamma.
*
- * Currently, we only support degamma bypass, or preprogrammed SRGB degamma.
- * Programmable degamma is not supported, and an attempt to do so will return
- * -EINVAL.
+ * We support degamma bypass, predefined SRGB, and custom degamma
*
* RETURNS:
- * 0 on success, -EINVAL if custom degamma curve is given.
+ * 0 on success
+ * -EINVAL if crtc_state has a degamma_lut of invalid size
+ * -ENOMEM if gamma allocation fails
*/
int amdgpu_dm_set_degamma_lut(struct drm_crtc_state *crtc_state,
struct dc_plane_state *dc_plane_state)
{
struct drm_property_blob *blob = crtc_state->degamma_lut;
struct drm_color_lut *lut;
+ uint32_t lut_size;
+ struct dc_gamma *gamma;
+ bool ret;
if (!blob) {
/* Default to SRGB */
@@ -258,11 +261,30 @@ int amdgpu_dm_set_degamma_lut(struct drm_crtc_state *crtc_state,
return 0;
}
- /* Otherwise, assume SRGB, since programmable degamma is not
- * supported.
- */
- dc_plane_state->in_transfer_func->type = TF_TYPE_PREDEFINED;
- dc_plane_state->in_transfer_func->tf = TRANSFER_FUNCTION_SRGB;
- return -EINVAL;
+ gamma = dc_create_gamma();
+ if (!gamma)
+ return -ENOMEM;
+
+ lut_size = blob->length / sizeof(struct drm_color_lut);
+ gamma->num_entries = lut_size;
+ if (gamma->num_entries == MAX_COLOR_LUT_ENTRIES)
+ gamma->type = GAMMA_CUSTOM;
+ else {
+ dc_gamma_release(&gamma);
+ return -EINVAL;
+ }
+
+ __drm_lut_to_dc_gamma(lut, gamma, false);
+
+ dc_plane_state->in_transfer_func->type = TF_TYPE_DISTRIBUTED_POINTS;
+ ret = mod_color_calculate_degamma_params(dc_plane_state->in_transfer_func, gamma, true);
+ dc_gamma_release(&gamma);
+ if (!ret) {
+ dc_plane_state->in_transfer_func->type = TF_TYPE_BYPASS;
+ DRM_ERROR("Out of memory when calculating degamma params\n");
+ return -ENOMEM;
+ }
+
+ return 0;
}
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
new file mode 100644
index 000000000000..0d9e410ca01e
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
@@ -0,0 +1,722 @@
+/*
+ * Copyright 2018 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include <linux/debugfs.h>
+
+#include "dc.h"
+#include "amdgpu.h"
+#include "amdgpu_dm.h"
+#include "amdgpu_dm_debugfs.h"
+
+/* function description
+ * get/ set DP configuration: lane_count, link_rate, spread_spectrum
+ *
+ * valid lane count value: 1, 2, 4
+ * valid link rate value:
+ * 06h = 1.62Gbps per lane
+ * 0Ah = 2.7Gbps per lane
+ * 0Ch = 3.24Gbps per lane
+ * 14h = 5.4Gbps per lane
+ * 1Eh = 8.1Gbps per lane
+ *
+ * debugfs is located at /sys/kernel/debug/dri/0/DP-x/link_settings
+ *
+ * --- to get dp configuration
+ *
+ * cat link_settings
+ *
+ * It will list current, verified, reported, preferred dp configuration.
+ * current -- for current video mode
+ * verified --- maximum configuration which pass link training
+ * reported --- DP rx report caps (DPCD register offset 0, 1 2)
+ * preferred --- user force settings
+ *
+ * --- set (or force) dp configuration
+ *
+ * echo <lane_count> <link_rate> > link_settings
+ *
+ * for example, to force to 2 lane, 2.7GHz,
+ * echo 4 0xa > link_settings
+ *
+ * spread_spectrum could not be changed dynamically.
+ *
+ * in case invalid lane count, link rate are force, no hw programming will be
+ * done. please check link settings after force operation to see if HW get
+ * programming.
+ *
+ * cat link_settings
+ *
+ * check current and preferred settings.
+ *
+ */
+static ssize_t dp_link_settings_read(struct file *f, char __user *buf,
+ size_t size, loff_t *pos)
+{
+ struct amdgpu_dm_connector *connector = file_inode(f)->i_private;
+ struct dc_link *link = connector->dc_link;
+ char *rd_buf = NULL;
+ char *rd_buf_ptr = NULL;
+ const uint32_t rd_buf_size = 100;
+ uint32_t result = 0;
+ uint8_t str_len = 0;
+ int r;
+
+ if (*pos & 3 || size & 3)
+ return -EINVAL;
+
+ rd_buf = kcalloc(rd_buf_size, sizeof(char), GFP_KERNEL);
+ if (!rd_buf)
+ return 0;
+
+ rd_buf_ptr = rd_buf;
+
+ str_len = strlen("Current: %d %d %d ");
+ snprintf(rd_buf_ptr, str_len, "Current: %d %d %d ",
+ link->cur_link_settings.lane_count,
+ link->cur_link_settings.link_rate,
+ link->cur_link_settings.link_spread);
+ rd_buf_ptr += str_len;
+
+ str_len = strlen("Verified: %d %d %d ");
+ snprintf(rd_buf_ptr, str_len, "Verified: %d %d %d ",
+ link->verified_link_cap.lane_count,
+ link->verified_link_cap.link_rate,
+ link->verified_link_cap.link_spread);
+ rd_buf_ptr += str_len;
+
+ str_len = strlen("Reported: %d %d %d ");
+ snprintf(rd_buf_ptr, str_len, "Reported: %d %d %d ",
+ link->reported_link_cap.lane_count,
+ link->reported_link_cap.link_rate,
+ link->reported_link_cap.link_spread);
+ rd_buf_ptr += str_len;
+
+ str_len = strlen("Preferred: %d %d %d ");
+ snprintf(rd_buf_ptr, str_len, "Preferred: %d %d %d\n",
+ link->preferred_link_setting.lane_count,
+ link->preferred_link_setting.link_rate,
+ link->preferred_link_setting.link_spread);
+
+ while (size) {
+ if (*pos >= rd_buf_size)
+ break;
+
+ r = put_user(*(rd_buf + result), buf);
+ if (r)
+ return r; /* r = -EFAULT */
+
+ buf += 1;
+ size -= 1;
+ *pos += 1;
+ result += 1;
+ }
+
+ kfree(rd_buf);
+ return result;
+}
+
+static ssize_t dp_link_settings_write(struct file *f, const char __user *buf,
+ size_t size, loff_t *pos)
+{
+ struct amdgpu_dm_connector *connector = file_inode(f)->i_private;
+ struct dc_link *link = connector->dc_link;
+ struct dc *dc = (struct dc *)link->dc;
+ struct dc_link_settings prefer_link_settings;
+ char *wr_buf = NULL;
+ char *wr_buf_ptr = NULL;
+ const uint32_t wr_buf_size = 40;
+ int r;
+ int bytes_from_user;
+ char *sub_str;
+ /* 0: lane_count; 1: link_rate */
+ uint8_t param_index = 0;
+ long param[2];
+ const char delimiter[3] = {' ', '\n', '\0'};
+ bool valid_input = false;
+
+ if (size == 0)
+ return -EINVAL;
+
+ wr_buf = kcalloc(wr_buf_size, sizeof(char), GFP_KERNEL);
+ if (!wr_buf)
+ return -EINVAL;
+ wr_buf_ptr = wr_buf;
+
+ r = copy_from_user(wr_buf_ptr, buf, wr_buf_size);
+
+ /* r is bytes not be copied */
+ if (r >= wr_buf_size) {
+ kfree(wr_buf);
+ DRM_DEBUG_DRIVER("user data not read\n");
+ return -EINVAL;
+ }
+
+ bytes_from_user = wr_buf_size - r;
+
+ while (isspace(*wr_buf_ptr))
+ wr_buf_ptr++;
+
+ while ((*wr_buf_ptr != '\0') && (param_index < 2)) {
+
+ sub_str = strsep(&wr_buf_ptr, delimiter);
+
+ r = kstrtol(sub_str, 16, &param[param_index]);
+
+ if (r)
+ DRM_DEBUG_DRIVER("string to int convert error code: %d\n", r);
+
+ param_index++;
+ while (isspace(*wr_buf_ptr))
+ wr_buf_ptr++;
+ }
+
+ switch (param[0]) {
+ case LANE_COUNT_ONE:
+ case LANE_COUNT_TWO:
+ case LANE_COUNT_FOUR:
+ valid_input = true;
+ break;
+ default:
+ break;
+ }
+
+ switch (param[1]) {
+ case LINK_RATE_LOW:
+ case LINK_RATE_HIGH:
+ case LINK_RATE_RBR2:
+ case LINK_RATE_HIGH2:
+ case LINK_RATE_HIGH3:
+ valid_input = true;
+ break;
+ default:
+ break;
+ }
+
+ if (!valid_input) {
+ kfree(wr_buf);
+ DRM_DEBUG_DRIVER("Invalid Input value No HW will be programmed\n");
+ return bytes_from_user;
+ }
+
+ /* save user force lane_count, link_rate to preferred settings
+ * spread spectrum will not be changed
+ */
+ prefer_link_settings.link_spread = link->cur_link_settings.link_spread;
+ prefer_link_settings.lane_count = param[0];
+ prefer_link_settings.link_rate = param[1];
+
+ dc_link_set_preferred_link_settings(dc, &prefer_link_settings, link);
+
+ kfree(wr_buf);
+ return bytes_from_user;
+}
+
+/* function: get current DP PHY settings: voltage swing, pre-emphasis,
+ * post-cursor2 (defined by VESA DP specification)
+ *
+ * valid values
+ * voltage swing: 0,1,2,3
+ * pre-emphasis : 0,1,2,3
+ * post cursor2 : 0,1,2,3
+ *
+ *
+ * how to use this debugfs
+ *
+ * debugfs is located at /sys/kernel/debug/dri/0/DP-x
+ *
+ * there will be directories, like DP-1, DP-2,DP-3, etc. for DP display
+ *
+ * To figure out which DP-x is the display for DP to be check,
+ * cd DP-x
+ * ls -ll
+ * There should be debugfs file, like link_settings, phy_settings.
+ * cat link_settings
+ * from lane_count, link_rate to figure which DP-x is for display to be worked
+ * on
+ *
+ * To get current DP PHY settings,
+ * cat phy_settings
+ *
+ * To change DP PHY settings,
+ * echo <voltage_swing> <pre-emphasis> <post_cursor2> > phy_settings
+ * for examle, to change voltage swing to 2, pre-emphasis to 3, post_cursor2 to
+ * 0,
+ * echo 2 3 0 > phy_settings
+ *
+ * To check if change be applied, get current phy settings by
+ * cat phy_settings
+ *
+ * In case invalid values are set by user, like
+ * echo 1 4 0 > phy_settings
+ *
+ * HW will NOT be programmed by these settings.
+ * cat phy_settings will show the previous valid settings.
+ */
+static ssize_t dp_phy_settings_read(struct file *f, char __user *buf,
+ size_t size, loff_t *pos)
+{
+ struct amdgpu_dm_connector *connector = file_inode(f)->i_private;
+ struct dc_link *link = connector->dc_link;
+ char *rd_buf = NULL;
+ const uint32_t rd_buf_size = 20;
+ uint32_t result = 0;
+ int r;
+
+ if (*pos & 3 || size & 3)
+ return -EINVAL;
+
+ rd_buf = kcalloc(rd_buf_size, sizeof(char), GFP_KERNEL);
+ if (!rd_buf)
+ return -EINVAL;
+
+ snprintf(rd_buf, rd_buf_size, " %d %d %d ",
+ link->cur_lane_setting.VOLTAGE_SWING,
+ link->cur_lane_setting.PRE_EMPHASIS,
+ link->cur_lane_setting.POST_CURSOR2);
+
+ while (size) {
+ if (*pos >= rd_buf_size)
+ break;
+
+ r = put_user((*(rd_buf + result)), buf);
+ if (r)
+ return r; /* r = -EFAULT */
+
+ buf += 1;
+ size -= 1;
+ *pos += 1;
+ result += 1;
+ }
+
+ kfree(rd_buf);
+ return result;
+}
+
+static ssize_t dp_phy_settings_write(struct file *f, const char __user *buf,
+ size_t size, loff_t *pos)
+{
+ struct amdgpu_dm_connector *connector = file_inode(f)->i_private;
+ struct dc_link *link = connector->dc_link;
+ struct dc *dc = (struct dc *)link->dc;
+ char *wr_buf = NULL;
+ char *wr_buf_ptr = NULL;
+ uint32_t wr_buf_size = 40;
+ int r;
+ int bytes_from_user;
+ char *sub_str;
+ uint8_t param_index = 0;
+ long param[3];
+ const char delimiter[3] = {' ', '\n', '\0'};
+ bool use_prefer_link_setting;
+ struct link_training_settings link_lane_settings;
+
+ if (size == 0)
+ return 0;
+
+ wr_buf = kcalloc(wr_buf_size, sizeof(char), GFP_KERNEL);
+ if (!wr_buf)
+ return 0;
+ wr_buf_ptr = wr_buf;
+
+ r = copy_from_user(wr_buf_ptr, buf, wr_buf_size);
+
+ /* r is bytes not be copied */
+ if (r >= wr_buf_size) {
+ kfree(wr_buf);
+ DRM_DEBUG_DRIVER("user data not be read\n");
+ return 0;
+ }
+
+ bytes_from_user = wr_buf_size - r;
+
+ while (isspace(*wr_buf_ptr))
+ wr_buf_ptr++;
+
+ while ((*wr_buf_ptr != '\0') && (param_index < 3)) {
+
+ sub_str = strsep(&wr_buf_ptr, delimiter);
+
+ r = kstrtol(sub_str, 16, &param[param_index]);
+
+ if (r)
+ DRM_DEBUG_DRIVER("string to int convert error code: %d\n", r);
+
+ param_index++;
+ while (isspace(*wr_buf_ptr))
+ wr_buf_ptr++;
+ }
+
+ if ((param[0] > VOLTAGE_SWING_MAX_LEVEL) ||
+ (param[1] > PRE_EMPHASIS_MAX_LEVEL) ||
+ (param[2] > POST_CURSOR2_MAX_LEVEL)) {
+ kfree(wr_buf);
+ DRM_DEBUG_DRIVER("Invalid Input No HW will be programmed\n");
+ return bytes_from_user;
+ }
+
+ /* get link settings: lane count, link rate */
+ use_prefer_link_setting =
+ ((link->preferred_link_setting.link_rate != LINK_RATE_UNKNOWN) &&
+ (link->test_pattern_enabled));
+
+ memset(&link_lane_settings, 0, sizeof(link_lane_settings));
+
+ if (use_prefer_link_setting) {
+ link_lane_settings.link_settings.lane_count =
+ link->preferred_link_setting.lane_count;
+ link_lane_settings.link_settings.link_rate =
+ link->preferred_link_setting.link_rate;
+ link_lane_settings.link_settings.link_spread =
+ link->preferred_link_setting.link_spread;
+ } else {
+ link_lane_settings.link_settings.lane_count =
+ link->cur_link_settings.lane_count;
+ link_lane_settings.link_settings.link_rate =
+ link->cur_link_settings.link_rate;
+ link_lane_settings.link_settings.link_spread =
+ link->cur_link_settings.link_spread;
+ }
+
+ /* apply phy settings from user */
+ for (r = 0; r < link_lane_settings.link_settings.lane_count; r++) {
+ link_lane_settings.lane_settings[r].VOLTAGE_SWING =
+ (enum dc_voltage_swing) (param[0]);
+ link_lane_settings.lane_settings[r].PRE_EMPHASIS =
+ (enum dc_pre_emphasis) (param[1]);
+ link_lane_settings.lane_settings[r].POST_CURSOR2 =
+ (enum dc_post_cursor2) (param[2]);
+ }
+
+ /* program ASIC registers and DPCD registers */
+ dc_link_set_drive_settings(dc, &link_lane_settings, link);
+
+ kfree(wr_buf);
+ return bytes_from_user;
+}
+
+/* function description
+ *
+ * set PHY layer or Link layer test pattern
+ * PHY test pattern is used for PHY SI check.
+ * Link layer test will not affect PHY SI.
+ *
+ * Reset Test Pattern:
+ * 0 = DP_TEST_PATTERN_VIDEO_MODE
+ *
+ * PHY test pattern supported:
+ * 1 = DP_TEST_PATTERN_D102
+ * 2 = DP_TEST_PATTERN_SYMBOL_ERROR
+ * 3 = DP_TEST_PATTERN_PRBS7
+ * 4 = DP_TEST_PATTERN_80BIT_CUSTOM
+ * 5 = DP_TEST_PATTERN_CP2520_1
+ * 6 = DP_TEST_PATTERN_CP2520_2 = DP_TEST_PATTERN_HBR2_COMPLIANCE_EYE
+ * 7 = DP_TEST_PATTERN_CP2520_3
+ *
+ * DP PHY Link Training Patterns
+ * 8 = DP_TEST_PATTERN_TRAINING_PATTERN1
+ * 9 = DP_TEST_PATTERN_TRAINING_PATTERN2
+ * a = DP_TEST_PATTERN_TRAINING_PATTERN3
+ * b = DP_TEST_PATTERN_TRAINING_PATTERN4
+ *
+ * DP Link Layer Test pattern
+ * c = DP_TEST_PATTERN_COLOR_SQUARES
+ * d = DP_TEST_PATTERN_COLOR_SQUARES_CEA
+ * e = DP_TEST_PATTERN_VERTICAL_BARS
+ * f = DP_TEST_PATTERN_HORIZONTAL_BARS
+ * 10= DP_TEST_PATTERN_COLOR_RAMP
+ *
+ * debugfs phy_test_pattern is located at /syskernel/debug/dri/0/DP-x
+ *
+ * --- set test pattern
+ * echo <test pattern #> > test_pattern
+ *
+ * If test pattern # is not supported, NO HW programming will be done.
+ * for DP_TEST_PATTERN_80BIT_CUSTOM, it needs extra 10 bytes of data
+ * for the user pattern. input 10 bytes data are separated by space
+ *
+ * echo 0x4 0x11 0x22 0x33 0x44 0x55 0x66 0x77 0x88 0x99 0xaa > test_pattern
+ *
+ * --- reset test pattern
+ * echo 0 > test_pattern
+ *
+ * --- HPD detection is disabled when set PHY test pattern
+ *
+ * when PHY test pattern (pattern # within [1,7]) is set, HPD pin of HW ASIC
+ * is disable. User could unplug DP display from DP connected and plug scope to
+ * check test pattern PHY SI.
+ * If there is need unplug scope and plug DP display back, do steps below:
+ * echo 0 > phy_test_pattern
+ * unplug scope
+ * plug DP display.
+ *
+ * "echo 0 > phy_test_pattern" will re-enable HPD pin again so that video sw
+ * driver could detect "unplug scope" and "plug DP display"
+ */
+static ssize_t dp_phy_test_pattern_debugfs_write(struct file *f, const char __user *buf,
+ size_t size, loff_t *pos)
+{
+ struct amdgpu_dm_connector *connector = file_inode(f)->i_private;
+ struct dc_link *link = connector->dc_link;
+ char *wr_buf = NULL;
+ char *wr_buf_ptr = NULL;
+ uint32_t wr_buf_size = 100;
+ uint32_t wr_buf_count = 0;
+ int r;
+ int bytes_from_user;
+ char *sub_str = NULL;
+ uint8_t param_index = 0;
+ uint8_t param_nums = 0;
+ long param[11] = {0x0};
+ const char delimiter[3] = {' ', '\n', '\0'};
+ enum dp_test_pattern test_pattern = DP_TEST_PATTERN_UNSUPPORTED;
+ bool disable_hpd = false;
+ bool valid_test_pattern = false;
+ /* init with defalut 80bit custom pattern */
+ uint8_t custom_pattern[10] = {
+ 0x1f, 0x7c, 0xf0, 0xc1, 0x07,
+ 0x1f, 0x7c, 0xf0, 0xc1, 0x07
+ };
+ struct dc_link_settings prefer_link_settings = {LANE_COUNT_UNKNOWN,
+ LINK_RATE_UNKNOWN, LINK_SPREAD_DISABLED};
+ struct dc_link_settings cur_link_settings = {LANE_COUNT_UNKNOWN,
+ LINK_RATE_UNKNOWN, LINK_SPREAD_DISABLED};
+ struct link_training_settings link_training_settings;
+ int i;
+
+ if (size == 0)
+ return 0;
+
+ wr_buf = kcalloc(wr_buf_size, sizeof(char), GFP_KERNEL);
+ if (!wr_buf)
+ return 0;
+ wr_buf_ptr = wr_buf;
+
+ r = copy_from_user(wr_buf_ptr, buf, wr_buf_size);
+
+ /* r is bytes not be copied */
+ if (r >= wr_buf_size) {
+ kfree(wr_buf);
+ DRM_DEBUG_DRIVER("user data not be read\n");
+ return 0;
+ }
+
+ bytes_from_user = wr_buf_size - r;
+
+ /* check number of parameters. isspace could not differ space and \n */
+ while ((*wr_buf_ptr != 0xa) && (wr_buf_count < wr_buf_size)) {
+ /* skip space*/
+ while (isspace(*wr_buf_ptr) && (wr_buf_count < wr_buf_size)) {
+ wr_buf_ptr++;
+ wr_buf_count++;
+ }
+
+ if (wr_buf_count == wr_buf_size)
+ break;
+
+ /* skip non-space*/
+ while ((!isspace(*wr_buf_ptr)) && (wr_buf_count < wr_buf_size)) {
+ wr_buf_ptr++;
+ wr_buf_count++;
+ }
+
+ param_nums++;
+
+ if (wr_buf_count == wr_buf_size)
+ break;
+ }
+
+ /* max 11 parameters */
+ if (param_nums > 11)
+ param_nums = 11;
+
+ wr_buf_ptr = wr_buf; /* reset buf pinter */
+ wr_buf_count = 0; /* number of char already checked */
+
+ while (isspace(*wr_buf_ptr) && (wr_buf_count < wr_buf_size)) {
+ wr_buf_ptr++;
+ wr_buf_count++;
+ }
+
+ while (param_index < param_nums) {
+ /* after strsep, wr_buf_ptr will be moved to after space */
+ sub_str = strsep(&wr_buf_ptr, delimiter);
+
+ r = kstrtol(sub_str, 16, &param[param_index]);
+
+ if (r)
+ DRM_DEBUG_DRIVER("string to int convert error code: %d\n", r);
+
+ param_index++;
+ }
+
+ test_pattern = param[0];
+
+ switch (test_pattern) {
+ case DP_TEST_PATTERN_VIDEO_MODE:
+ case DP_TEST_PATTERN_COLOR_SQUARES:
+ case DP_TEST_PATTERN_COLOR_SQUARES_CEA:
+ case DP_TEST_PATTERN_VERTICAL_BARS:
+ case DP_TEST_PATTERN_HORIZONTAL_BARS:
+ case DP_TEST_PATTERN_COLOR_RAMP:
+ valid_test_pattern = true;
+ break;
+
+ case DP_TEST_PATTERN_D102:
+ case DP_TEST_PATTERN_SYMBOL_ERROR:
+ case DP_TEST_PATTERN_PRBS7:
+ case DP_TEST_PATTERN_80BIT_CUSTOM:
+ case DP_TEST_PATTERN_HBR2_COMPLIANCE_EYE:
+ case DP_TEST_PATTERN_TRAINING_PATTERN4:
+ disable_hpd = true;
+ valid_test_pattern = true;
+ break;
+
+ default:
+ valid_test_pattern = false;
+ test_pattern = DP_TEST_PATTERN_UNSUPPORTED;
+ break;
+ }
+
+ if (!valid_test_pattern) {
+ kfree(wr_buf);
+ DRM_DEBUG_DRIVER("Invalid Test Pattern Parameters\n");
+ return bytes_from_user;
+ }
+
+ if (test_pattern == DP_TEST_PATTERN_80BIT_CUSTOM) {
+ for (i = 0; i < 10; i++) {
+ if ((uint8_t) param[i + 1] != 0x0)
+ break;
+ }
+
+ if (i < 10) {
+ /* not use default value */
+ for (i = 0; i < 10; i++)
+ custom_pattern[i] = (uint8_t) param[i + 1];
+ }
+ }
+
+ /* Usage: set DP physical test pattern using debugfs with normal DP
+ * panel. Then plug out DP panel and connect a scope to measure
+ * For normal video mode and test pattern generated from CRCT,
+ * they are visibile to user. So do not disable HPD.
+ * Video Mode is also set to clear the test pattern, so enable HPD
+ * because it might have been disabled after a test pattern was set.
+ * AUX depends on HPD * sequence dependent, do not move!
+ */
+ if (!disable_hpd)
+ dc_link_enable_hpd(link);
+
+ prefer_link_settings.lane_count = link->verified_link_cap.lane_count;
+ prefer_link_settings.link_rate = link->verified_link_cap.link_rate;
+ prefer_link_settings.link_spread = link->verified_link_cap.link_spread;
+
+ cur_link_settings.lane_count = link->cur_link_settings.lane_count;
+ cur_link_settings.link_rate = link->cur_link_settings.link_rate;
+ cur_link_settings.link_spread = link->cur_link_settings.link_spread;
+
+ link_training_settings.link_settings = cur_link_settings;
+
+
+ if (test_pattern != DP_TEST_PATTERN_VIDEO_MODE) {
+ if (prefer_link_settings.lane_count != LANE_COUNT_UNKNOWN &&
+ prefer_link_settings.link_rate != LINK_RATE_UNKNOWN &&
+ (prefer_link_settings.lane_count != cur_link_settings.lane_count ||
+ prefer_link_settings.link_rate != cur_link_settings.link_rate))
+ link_training_settings.link_settings = prefer_link_settings;
+ }
+
+ for (i = 0; i < (unsigned int)(link_training_settings.link_settings.lane_count); i++)
+ link_training_settings.lane_settings[i] = link->cur_lane_setting;
+
+ dc_link_set_test_pattern(
+ link,
+ test_pattern,
+ &link_training_settings,
+ custom_pattern,
+ 10);
+
+ /* Usage: Set DP physical test pattern using AMDDP with normal DP panel
+ * Then plug out DP panel and connect a scope to measure DP PHY signal.
+ * Need disable interrupt to avoid SW driver disable DP output. This is
+ * done after the test pattern is set.
+ */
+ if (valid_test_pattern && disable_hpd)
+ dc_link_disable_hpd(link);
+
+ kfree(wr_buf);
+
+ return bytes_from_user;
+}
+
+static const struct file_operations dp_link_settings_debugfs_fops = {
+ .owner = THIS_MODULE,
+ .read = dp_link_settings_read,
+ .write = dp_link_settings_write,
+ .llseek = default_llseek
+};
+
+static const struct file_operations dp_phy_settings_debugfs_fop = {
+ .owner = THIS_MODULE,
+ .read = dp_phy_settings_read,
+ .write = dp_phy_settings_write,
+ .llseek = default_llseek
+};
+
+static const struct file_operations dp_phy_test_pattern_fops = {
+ .owner = THIS_MODULE,
+ .write = dp_phy_test_pattern_debugfs_write,
+ .llseek = default_llseek
+};
+
+static const struct {
+ char *name;
+ const struct file_operations *fops;
+} dp_debugfs_entries[] = {
+ {"link_settings", &dp_link_settings_debugfs_fops},
+ {"phy_settings", &dp_phy_settings_debugfs_fop},
+ {"test_pattern", &dp_phy_test_pattern_fops}
+};
+
+int connector_debugfs_init(struct amdgpu_dm_connector *connector)
+{
+ int i;
+ struct dentry *ent, *dir = connector->base.debugfs_entry;
+
+ if (connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
+ for (i = 0; i < ARRAY_SIZE(dp_debugfs_entries); i++) {
+ ent = debugfs_create_file(dp_debugfs_entries[i].name,
+ 0644,
+ dir,
+ connector,
+ dp_debugfs_entries[i].fops);
+ if (IS_ERR(ent))
+ return PTR_ERR(ent);
+ }
+ }
+
+ return 0;
+}
+
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.h
new file mode 100644
index 000000000000..d9ed1b2aa811
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2018 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __AMDGPU_DM_DEBUGFS_H__
+#define __AMDGPU_DM_DEBUGFS_H__
+
+#include "amdgpu.h"
+#include "amdgpu_dm.h"
+
+int connector_debugfs_init(struct amdgpu_dm_connector *connector);
+
+#endif
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
index ec304b1a5973..8403b6a9a77b 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
@@ -169,6 +169,11 @@ static void get_payload_table(
mutex_unlock(&mst_mgr->payload_lock);
}
+void dm_helpers_dp_update_branch_info(
+ struct dc_context *ctx,
+ const struct dc_link *link)
+{}
+
/*
* Writes payload allocation table in immediate downstream device.
*/
@@ -454,6 +459,22 @@ bool dm_helpers_submit_i2c(
return result;
}
+bool dm_helpers_is_dp_sink_present(struct dc_link *link)
+{
+ bool dp_sink_present;
+ struct amdgpu_dm_connector *aconnector = link->priv;
+
+ if (!aconnector) {
+ BUG_ON("Failed to found connector for link!");
+ return true;
+ }
+
+ mutex_lock(&aconnector->dm_dp_aux.aux.hw_mutex);
+ dp_sink_present = dc_link_is_dp_sink_present(link);
+ mutex_unlock(&aconnector->dm_dp_aux.aux.hw_mutex);
+ return dp_sink_present;
+}
+
enum dc_edid_status dm_helpers_read_local_edid(
struct dc_context *ctx,
struct dc_link *link,
@@ -497,6 +518,34 @@ enum dc_edid_status dm_helpers_read_local_edid(
DRM_ERROR("EDID err: %d, on connector: %s",
edid_status,
aconnector->base.name);
+ if (link->aux_mode) {
+ union test_request test_request = { {0} };
+ union test_response test_response = { {0} };
+
+ dm_helpers_dp_read_dpcd(ctx,
+ link,
+ DP_TEST_REQUEST,
+ &test_request.raw,
+ sizeof(union test_request));
+
+ if (!test_request.bits.EDID_READ)
+ return edid_status;
+
+ test_response.bits.EDID_CHECKSUM_WRITE = 1;
+
+ dm_helpers_dp_write_dpcd(ctx,
+ link,
+ DP_TEST_EDID_CHECKSUM,
+ &sink->dc_edid.raw_edid[sink->dc_edid.length-1],
+ 1);
+
+ dm_helpers_dp_write_dpcd(ctx,
+ link,
+ DP_TEST_RESPONSE,
+ &test_response.raw,
+ sizeof(test_response));
+
+ }
return edid_status;
}
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index ace9ad578ca0..9a300732ba37 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -80,53 +80,72 @@ static void log_dpcd(uint8_t type,
static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux,
struct drm_dp_aux_msg *msg)
{
- enum i2c_mot_mode mot = (msg->request & DP_AUX_I2C_MOT) ?
- I2C_MOT_TRUE : I2C_MOT_FALSE;
- enum ddc_result res;
- ssize_t read_bytes;
+ ssize_t result = 0;
+ enum i2caux_transaction_action action;
+ enum aux_transaction_type type;
if (WARN_ON(msg->size > 16))
return -E2BIG;
switch (msg->request & ~DP_AUX_I2C_MOT) {
case DP_AUX_NATIVE_READ:
- read_bytes = dal_ddc_service_read_dpcd_data(
- TO_DM_AUX(aux)->ddc_service,
- false,
- I2C_MOT_UNDEF,
- msg->address,
- msg->buffer,
- msg->size);
- return read_bytes;
+ type = AUX_TRANSACTION_TYPE_DP;
+ action = I2CAUX_TRANSACTION_ACTION_DP_READ;
+
+ result = dc_link_aux_transfer(TO_DM_AUX(aux)->ddc_service,
+ msg->address,
+ &msg->reply,
+ msg->buffer,
+ msg->size,
+ type,
+ action);
+ break;
case DP_AUX_NATIVE_WRITE:
- res = dal_ddc_service_write_dpcd_data(
- TO_DM_AUX(aux)->ddc_service,
- false,
- I2C_MOT_UNDEF,
- msg->address,
- msg->buffer,
- msg->size);
+ type = AUX_TRANSACTION_TYPE_DP;
+ action = I2CAUX_TRANSACTION_ACTION_DP_WRITE;
+
+ dc_link_aux_transfer(TO_DM_AUX(aux)->ddc_service,
+ msg->address,
+ &msg->reply,
+ msg->buffer,
+ msg->size,
+ type,
+ action);
+ result = msg->size;
break;
case DP_AUX_I2C_READ:
- read_bytes = dal_ddc_service_read_dpcd_data(
- TO_DM_AUX(aux)->ddc_service,
- true,
- mot,
- msg->address,
- msg->buffer,
- msg->size);
- return read_bytes;
+ type = AUX_TRANSACTION_TYPE_I2C;
+ if (msg->request & DP_AUX_I2C_MOT)
+ action = I2CAUX_TRANSACTION_ACTION_I2C_READ_MOT;
+ else
+ action = I2CAUX_TRANSACTION_ACTION_I2C_READ;
+
+ result = dc_link_aux_transfer(TO_DM_AUX(aux)->ddc_service,
+ msg->address,
+ &msg->reply,
+ msg->buffer,
+ msg->size,
+ type,
+ action);
+ break;
case DP_AUX_I2C_WRITE:
- res = dal_ddc_service_write_dpcd_data(
- TO_DM_AUX(aux)->ddc_service,
- true,
- mot,
- msg->address,
- msg->buffer,
- msg->size);
+ type = AUX_TRANSACTION_TYPE_I2C;
+ if (msg->request & DP_AUX_I2C_MOT)
+ action = I2CAUX_TRANSACTION_ACTION_I2C_WRITE_MOT;
+ else
+ action = I2CAUX_TRANSACTION_ACTION_I2C_WRITE;
+
+ dc_link_aux_transfer(TO_DM_AUX(aux)->ddc_service,
+ msg->address,
+ &msg->reply,
+ msg->buffer,
+ msg->size,
+ type,
+ action);
+ result = msg->size;
break;
default:
- return 0;
+ return -EINVAL;
}
#ifdef TRACE_DPCD
@@ -137,7 +156,10 @@ static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux,
r == DDC_RESULT_SUCESSFULL);
#endif
- return msg->size;
+ if (result < 0) /* DC doesn't know about kernel error codes */
+ result = -EIO;
+
+ return result;
}
static enum drm_connector_status
@@ -229,7 +251,7 @@ static int dm_dp_mst_get_modes(struct drm_connector *connector)
edid = drm_dp_mst_get_edid(connector, &aconnector->mst_port->mst_mgr, aconnector->port);
if (!edid) {
- drm_mode_connector_update_edid_property(
+ drm_connector_update_edid_property(
&aconnector->base,
NULL);
return ret;
@@ -257,7 +279,7 @@ static int dm_dp_mst_get_modes(struct drm_connector *connector)
connector, aconnector->edid);
}
- drm_mode_connector_update_edid_property(
+ drm_connector_update_edid_property(
&aconnector->base, aconnector->edid);
ret = drm_add_edid_modes(connector, aconnector->edid);
@@ -341,7 +363,7 @@ dm_dp_add_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
aconnector, connector->base.id, aconnector->mst_port);
aconnector->port = port;
- drm_mode_connector_set_path_property(connector, pathprop);
+ drm_connector_set_path_property(connector, pathprop);
drm_connector_list_iter_end(&conn_iter);
aconnector->mst_connected = true;
@@ -389,7 +411,7 @@ dm_dp_add_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
dev->mode_config.tile_property,
0);
- drm_mode_connector_set_path_property(connector, pathprop);
+ drm_connector_set_path_property(connector, pathprop);
/*
* Initialize connector state before adding the connectror to drm and
@@ -437,7 +459,7 @@ static void dm_dp_mst_hotplug(struct drm_dp_mst_topology_mgr *mgr)
static void dm_dp_mst_link_status_reset(struct drm_connector *connector)
{
mutex_lock(&connector->dev->mode_config.mutex);
- drm_mode_connector_set_link_status_property(connector, DRM_MODE_LINK_STATUS_BAD);
+ drm_connector_set_link_status_property(connector, DRM_MODE_LINK_STATUS_BAD);
mutex_unlock(&connector->dev->mode_config.mutex);
}
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
new file mode 100644
index 000000000000..fbe878ae1e8c
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
@@ -0,0 +1,562 @@
+/*
+ * Copyright 2018 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ */
+#include <linux/string.h>
+#include <linux/acpi.h>
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/amdgpu_drm.h>
+#include "dm_services.h"
+#include "amdgpu.h"
+#include "amdgpu_dm.h"
+#include "amdgpu_dm_irq.h"
+#include "amdgpu_pm.h"
+#include "dm_pp_smu.h"
+
+
+bool dm_pp_apply_display_requirements(
+ const struct dc_context *ctx,
+ const struct dm_pp_display_configuration *pp_display_cfg)
+{
+ struct amdgpu_device *adev = ctx->driver_context;
+ int i;
+
+ if (adev->pm.dpm_enabled) {
+
+ memset(&adev->pm.pm_display_cfg, 0,
+ sizeof(adev->pm.pm_display_cfg));
+
+ adev->pm.pm_display_cfg.cpu_cc6_disable =
+ pp_display_cfg->cpu_cc6_disable;
+
+ adev->pm.pm_display_cfg.cpu_pstate_disable =
+ pp_display_cfg->cpu_pstate_disable;
+
+ adev->pm.pm_display_cfg.cpu_pstate_separation_time =
+ pp_display_cfg->cpu_pstate_separation_time;
+
+ adev->pm.pm_display_cfg.nb_pstate_switch_disable =
+ pp_display_cfg->nb_pstate_switch_disable;
+
+ adev->pm.pm_display_cfg.num_display =
+ pp_display_cfg->display_count;
+ adev->pm.pm_display_cfg.num_path_including_non_display =
+ pp_display_cfg->display_count;
+
+ adev->pm.pm_display_cfg.min_core_set_clock =
+ pp_display_cfg->min_engine_clock_khz/10;
+ adev->pm.pm_display_cfg.min_core_set_clock_in_sr =
+ pp_display_cfg->min_engine_clock_deep_sleep_khz/10;
+ adev->pm.pm_display_cfg.min_mem_set_clock =
+ pp_display_cfg->min_memory_clock_khz/10;
+
+ adev->pm.pm_display_cfg.min_dcef_deep_sleep_set_clk =
+ pp_display_cfg->min_engine_clock_deep_sleep_khz/10;
+ adev->pm.pm_display_cfg.min_dcef_set_clk =
+ pp_display_cfg->min_dcfclock_khz/10;
+
+ adev->pm.pm_display_cfg.multi_monitor_in_sync =
+ pp_display_cfg->all_displays_in_sync;
+ adev->pm.pm_display_cfg.min_vblank_time =
+ pp_display_cfg->avail_mclk_switch_time_us;
+
+ adev->pm.pm_display_cfg.display_clk =
+ pp_display_cfg->disp_clk_khz/10;
+
+ adev->pm.pm_display_cfg.dce_tolerable_mclk_in_active_latency =
+ pp_display_cfg->avail_mclk_switch_time_in_disp_active_us;
+
+ adev->pm.pm_display_cfg.crtc_index = pp_display_cfg->crtc_index;
+ adev->pm.pm_display_cfg.line_time_in_us =
+ pp_display_cfg->line_time_in_us;
+
+ adev->pm.pm_display_cfg.vrefresh = pp_display_cfg->disp_configs[0].v_refresh;
+ adev->pm.pm_display_cfg.crossfire_display_index = -1;
+ adev->pm.pm_display_cfg.min_bus_bandwidth = 0;
+
+ for (i = 0; i < pp_display_cfg->display_count; i++) {
+ const struct dm_pp_single_disp_config *dc_cfg =
+ &pp_display_cfg->disp_configs[i];
+ adev->pm.pm_display_cfg.displays[i].controller_id = dc_cfg->pipe_idx + 1;
+ }
+
+ /* TODO: complete implementation of
+ * pp_display_configuration_change().
+ * Follow example of:
+ * PHM_StoreDALConfigurationData - powerplay\hwmgr\hardwaremanager.c
+ * PP_IRI_DisplayConfigurationChange - powerplay\eventmgr\iri.c */
+ if (adev->powerplay.pp_funcs->display_configuration_change)
+ adev->powerplay.pp_funcs->display_configuration_change(
+ adev->powerplay.pp_handle,
+ &adev->pm.pm_display_cfg);
+
+ /* TODO: replace by a separate call to 'apply display cfg'? */
+ amdgpu_pm_compute_clocks(adev);
+ }
+
+ return true;
+}
+
+static void get_default_clock_levels(
+ enum dm_pp_clock_type clk_type,
+ struct dm_pp_clock_levels *clks)
+{
+ uint32_t disp_clks_in_khz[6] = {
+ 300000, 400000, 496560, 626090, 685720, 757900 };
+ uint32_t sclks_in_khz[6] = {
+ 300000, 360000, 423530, 514290, 626090, 720000 };
+ uint32_t mclks_in_khz[2] = { 333000, 800000 };
+
+ switch (clk_type) {
+ case DM_PP_CLOCK_TYPE_DISPLAY_CLK:
+ clks->num_levels = 6;
+ memmove(clks->clocks_in_khz, disp_clks_in_khz,
+ sizeof(disp_clks_in_khz));
+ break;
+ case DM_PP_CLOCK_TYPE_ENGINE_CLK:
+ clks->num_levels = 6;
+ memmove(clks->clocks_in_khz, sclks_in_khz,
+ sizeof(sclks_in_khz));
+ break;
+ case DM_PP_CLOCK_TYPE_MEMORY_CLK:
+ clks->num_levels = 2;
+ memmove(clks->clocks_in_khz, mclks_in_khz,
+ sizeof(mclks_in_khz));
+ break;
+ default:
+ clks->num_levels = 0;
+ break;
+ }
+}
+
+static enum amd_pp_clock_type dc_to_pp_clock_type(
+ enum dm_pp_clock_type dm_pp_clk_type)
+{
+ enum amd_pp_clock_type amd_pp_clk_type = 0;
+
+ switch (dm_pp_clk_type) {
+ case DM_PP_CLOCK_TYPE_DISPLAY_CLK:
+ amd_pp_clk_type = amd_pp_disp_clock;
+ break;
+ case DM_PP_CLOCK_TYPE_ENGINE_CLK:
+ amd_pp_clk_type = amd_pp_sys_clock;
+ break;
+ case DM_PP_CLOCK_TYPE_MEMORY_CLK:
+ amd_pp_clk_type = amd_pp_mem_clock;
+ break;
+ case DM_PP_CLOCK_TYPE_DCEFCLK:
+ amd_pp_clk_type = amd_pp_dcef_clock;
+ break;
+ case DM_PP_CLOCK_TYPE_DCFCLK:
+ amd_pp_clk_type = amd_pp_dcf_clock;
+ break;
+ case DM_PP_CLOCK_TYPE_PIXELCLK:
+ amd_pp_clk_type = amd_pp_pixel_clock;
+ break;
+ case DM_PP_CLOCK_TYPE_FCLK:
+ amd_pp_clk_type = amd_pp_f_clock;
+ break;
+ case DM_PP_CLOCK_TYPE_DISPLAYPHYCLK:
+ amd_pp_clk_type = amd_pp_phy_clock;
+ break;
+ case DM_PP_CLOCK_TYPE_DPPCLK:
+ amd_pp_clk_type = amd_pp_dpp_clock;
+ break;
+ default:
+ DRM_ERROR("DM_PPLIB: invalid clock type: %d!\n",
+ dm_pp_clk_type);
+ break;
+ }
+
+ return amd_pp_clk_type;
+}
+
+static enum dm_pp_clocks_state pp_to_dc_powerlevel_state(
+ enum PP_DAL_POWERLEVEL max_clocks_state)
+{
+ switch (max_clocks_state) {
+ case PP_DAL_POWERLEVEL_0:
+ return DM_PP_CLOCKS_DPM_STATE_LEVEL_0;
+ case PP_DAL_POWERLEVEL_1:
+ return DM_PP_CLOCKS_DPM_STATE_LEVEL_1;
+ case PP_DAL_POWERLEVEL_2:
+ return DM_PP_CLOCKS_DPM_STATE_LEVEL_2;
+ case PP_DAL_POWERLEVEL_3:
+ return DM_PP_CLOCKS_DPM_STATE_LEVEL_3;
+ case PP_DAL_POWERLEVEL_4:
+ return DM_PP_CLOCKS_DPM_STATE_LEVEL_4;
+ case PP_DAL_POWERLEVEL_5:
+ return DM_PP_CLOCKS_DPM_STATE_LEVEL_5;
+ case PP_DAL_POWERLEVEL_6:
+ return DM_PP_CLOCKS_DPM_STATE_LEVEL_6;
+ case PP_DAL_POWERLEVEL_7:
+ return DM_PP_CLOCKS_DPM_STATE_LEVEL_7;
+ default:
+ DRM_ERROR("DM_PPLIB: invalid powerlevel state: %d!\n",
+ max_clocks_state);
+ return DM_PP_CLOCKS_STATE_INVALID;
+ }
+}
+
+static void pp_to_dc_clock_levels(
+ const struct amd_pp_clocks *pp_clks,
+ struct dm_pp_clock_levels *dc_clks,
+ enum dm_pp_clock_type dc_clk_type)
+{
+ uint32_t i;
+
+ if (pp_clks->count > DM_PP_MAX_CLOCK_LEVELS) {
+ DRM_INFO("DM_PPLIB: Warning: %s clock: number of levels %d exceeds maximum of %d!\n",
+ DC_DECODE_PP_CLOCK_TYPE(dc_clk_type),
+ pp_clks->count,
+ DM_PP_MAX_CLOCK_LEVELS);
+
+ dc_clks->num_levels = DM_PP_MAX_CLOCK_LEVELS;
+ } else
+ dc_clks->num_levels = pp_clks->count;
+
+ DRM_INFO("DM_PPLIB: values for %s clock\n",
+ DC_DECODE_PP_CLOCK_TYPE(dc_clk_type));
+
+ for (i = 0; i < dc_clks->num_levels; i++) {
+ DRM_INFO("DM_PPLIB:\t %d\n", pp_clks->clock[i]);
+ dc_clks->clocks_in_khz[i] = pp_clks->clock[i];
+ }
+}
+
+static void pp_to_dc_clock_levels_with_latency(
+ const struct pp_clock_levels_with_latency *pp_clks,
+ struct dm_pp_clock_levels_with_latency *clk_level_info,
+ enum dm_pp_clock_type dc_clk_type)
+{
+ uint32_t i;
+
+ if (pp_clks->num_levels > DM_PP_MAX_CLOCK_LEVELS) {
+ DRM_INFO("DM_PPLIB: Warning: %s clock: number of levels %d exceeds maximum of %d!\n",
+ DC_DECODE_PP_CLOCK_TYPE(dc_clk_type),
+ pp_clks->num_levels,
+ DM_PP_MAX_CLOCK_LEVELS);
+
+ clk_level_info->num_levels = DM_PP_MAX_CLOCK_LEVELS;
+ } else
+ clk_level_info->num_levels = pp_clks->num_levels;
+
+ DRM_DEBUG("DM_PPLIB: values for %s clock\n",
+ DC_DECODE_PP_CLOCK_TYPE(dc_clk_type));
+
+ for (i = 0; i < clk_level_info->num_levels; i++) {
+ DRM_DEBUG("DM_PPLIB:\t %d in kHz\n", pp_clks->data[i].clocks_in_khz);
+ clk_level_info->data[i].clocks_in_khz = pp_clks->data[i].clocks_in_khz;
+ clk_level_info->data[i].latency_in_us = pp_clks->data[i].latency_in_us;
+ }
+}
+
+static void pp_to_dc_clock_levels_with_voltage(
+ const struct pp_clock_levels_with_voltage *pp_clks,
+ struct dm_pp_clock_levels_with_voltage *clk_level_info,
+ enum dm_pp_clock_type dc_clk_type)
+{
+ uint32_t i;
+
+ if (pp_clks->num_levels > DM_PP_MAX_CLOCK_LEVELS) {
+ DRM_INFO("DM_PPLIB: Warning: %s clock: number of levels %d exceeds maximum of %d!\n",
+ DC_DECODE_PP_CLOCK_TYPE(dc_clk_type),
+ pp_clks->num_levels,
+ DM_PP_MAX_CLOCK_LEVELS);
+
+ clk_level_info->num_levels = DM_PP_MAX_CLOCK_LEVELS;
+ } else
+ clk_level_info->num_levels = pp_clks->num_levels;
+
+ DRM_INFO("DM_PPLIB: values for %s clock\n",
+ DC_DECODE_PP_CLOCK_TYPE(dc_clk_type));
+
+ for (i = 0; i < clk_level_info->num_levels; i++) {
+ DRM_INFO("DM_PPLIB:\t %d in kHz\n", pp_clks->data[i].clocks_in_khz);
+ clk_level_info->data[i].clocks_in_khz = pp_clks->data[i].clocks_in_khz;
+ clk_level_info->data[i].voltage_in_mv = pp_clks->data[i].voltage_in_mv;
+ }
+}
+
+bool dm_pp_get_clock_levels_by_type(
+ const struct dc_context *ctx,
+ enum dm_pp_clock_type clk_type,
+ struct dm_pp_clock_levels *dc_clks)
+{
+ struct amdgpu_device *adev = ctx->driver_context;
+ void *pp_handle = adev->powerplay.pp_handle;
+ struct amd_pp_clocks pp_clks = { 0 };
+ struct amd_pp_simple_clock_info validation_clks = { 0 };
+ uint32_t i;
+
+ if (adev->powerplay.pp_funcs->get_clock_by_type) {
+ if (adev->powerplay.pp_funcs->get_clock_by_type(pp_handle,
+ dc_to_pp_clock_type(clk_type), &pp_clks)) {
+ /* Error in pplib. Provide default values. */
+ get_default_clock_levels(clk_type, dc_clks);
+ return true;
+ }
+ }
+
+ pp_to_dc_clock_levels(&pp_clks, dc_clks, clk_type);
+
+ if (adev->powerplay.pp_funcs->get_display_mode_validation_clocks) {
+ if (adev->powerplay.pp_funcs->get_display_mode_validation_clocks(
+ pp_handle, &validation_clks)) {
+ /* Error in pplib. Provide default values. */
+ DRM_INFO("DM_PPLIB: Warning: using default validation clocks!\n");
+ validation_clks.engine_max_clock = 72000;
+ validation_clks.memory_max_clock = 80000;
+ validation_clks.level = 0;
+ }
+ }
+
+ DRM_INFO("DM_PPLIB: Validation clocks:\n");
+ DRM_INFO("DM_PPLIB: engine_max_clock: %d\n",
+ validation_clks.engine_max_clock);
+ DRM_INFO("DM_PPLIB: memory_max_clock: %d\n",
+ validation_clks.memory_max_clock);
+ DRM_INFO("DM_PPLIB: level : %d\n",
+ validation_clks.level);
+
+ /* Translate 10 kHz to kHz. */
+ validation_clks.engine_max_clock *= 10;
+ validation_clks.memory_max_clock *= 10;
+
+ /* Determine the highest non-boosted level from the Validation Clocks */
+ if (clk_type == DM_PP_CLOCK_TYPE_ENGINE_CLK) {
+ for (i = 0; i < dc_clks->num_levels; i++) {
+ if (dc_clks->clocks_in_khz[i] > validation_clks.engine_max_clock) {
+ /* This clock is higher the validation clock.
+ * Than means the previous one is the highest
+ * non-boosted one. */
+ DRM_INFO("DM_PPLIB: reducing engine clock level from %d to %d\n",
+ dc_clks->num_levels, i);
+ dc_clks->num_levels = i > 0 ? i : 1;
+ break;
+ }
+ }
+ } else if (clk_type == DM_PP_CLOCK_TYPE_MEMORY_CLK) {
+ for (i = 0; i < dc_clks->num_levels; i++) {
+ if (dc_clks->clocks_in_khz[i] > validation_clks.memory_max_clock) {
+ DRM_INFO("DM_PPLIB: reducing memory clock level from %d to %d\n",
+ dc_clks->num_levels, i);
+ dc_clks->num_levels = i > 0 ? i : 1;
+ break;
+ }
+ }
+ }
+
+ return true;
+}
+
+bool dm_pp_get_clock_levels_by_type_with_latency(
+ const struct dc_context *ctx,
+ enum dm_pp_clock_type clk_type,
+ struct dm_pp_clock_levels_with_latency *clk_level_info)
+{
+ struct amdgpu_device *adev = ctx->driver_context;
+ void *pp_handle = adev->powerplay.pp_handle;
+ struct pp_clock_levels_with_latency pp_clks = { 0 };
+ const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
+
+ if (!pp_funcs || !pp_funcs->get_clock_by_type_with_latency)
+ return false;
+
+ if (pp_funcs->get_clock_by_type_with_latency(pp_handle,
+ dc_to_pp_clock_type(clk_type),
+ &pp_clks))
+ return false;
+
+ pp_to_dc_clock_levels_with_latency(&pp_clks, clk_level_info, clk_type);
+
+ return true;
+}
+
+bool dm_pp_get_clock_levels_by_type_with_voltage(
+ const struct dc_context *ctx,
+ enum dm_pp_clock_type clk_type,
+ struct dm_pp_clock_levels_with_voltage *clk_level_info)
+{
+ struct amdgpu_device *adev = ctx->driver_context;
+ void *pp_handle = adev->powerplay.pp_handle;
+ struct pp_clock_levels_with_voltage pp_clk_info = {0};
+ const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
+
+ if (pp_funcs->get_clock_by_type_with_voltage(pp_handle,
+ dc_to_pp_clock_type(clk_type),
+ &pp_clk_info))
+ return false;
+
+ pp_to_dc_clock_levels_with_voltage(&pp_clk_info, clk_level_info, clk_type);
+
+ return true;
+}
+
+bool dm_pp_notify_wm_clock_changes(
+ const struct dc_context *ctx,
+ struct dm_pp_wm_sets_with_clock_ranges *wm_with_clock_ranges)
+{
+ /* TODO: to be implemented */
+ return false;
+}
+
+bool dm_pp_apply_power_level_change_request(
+ const struct dc_context *ctx,
+ struct dm_pp_power_level_change_request *level_change_req)
+{
+ /* TODO: to be implemented */
+ return false;
+}
+
+bool dm_pp_apply_clock_for_voltage_request(
+ const struct dc_context *ctx,
+ struct dm_pp_clock_for_voltage_req *clock_for_voltage_req)
+{
+ struct amdgpu_device *adev = ctx->driver_context;
+ struct pp_display_clock_request pp_clock_request = {0};
+ int ret = 0;
+
+ pp_clock_request.clock_type = dc_to_pp_clock_type(clock_for_voltage_req->clk_type);
+ pp_clock_request.clock_freq_in_khz = clock_for_voltage_req->clocks_in_khz;
+
+ if (!pp_clock_request.clock_type)
+ return false;
+
+ if (adev->powerplay.pp_funcs->display_clock_voltage_request)
+ ret = adev->powerplay.pp_funcs->display_clock_voltage_request(
+ adev->powerplay.pp_handle,
+ &pp_clock_request);
+ if (ret)
+ return false;
+ return true;
+}
+
+bool dm_pp_get_static_clocks(
+ const struct dc_context *ctx,
+ struct dm_pp_static_clock_info *static_clk_info)
+{
+ struct amdgpu_device *adev = ctx->driver_context;
+ struct amd_pp_clock_info pp_clk_info = {0};
+ int ret = 0;
+
+ if (adev->powerplay.pp_funcs->get_current_clocks)
+ ret = adev->powerplay.pp_funcs->get_current_clocks(
+ adev->powerplay.pp_handle,
+ &pp_clk_info);
+ if (ret)
+ return false;
+
+ static_clk_info->max_clocks_state = pp_to_dc_powerlevel_state(pp_clk_info.max_clocks_state);
+ static_clk_info->max_mclk_khz = pp_clk_info.max_memory_clock * 10;
+ static_clk_info->max_sclk_khz = pp_clk_info.max_engine_clock * 10;
+
+ return true;
+}
+
+void pp_rv_set_display_requirement(struct pp_smu *pp,
+ struct pp_smu_display_requirement_rv *req)
+{
+ struct dc_context *ctx = pp->ctx;
+ struct amdgpu_device *adev = ctx->driver_context;
+ const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
+
+ if (!pp_funcs || !pp_funcs->display_configuration_changed)
+ return;
+
+ amdgpu_dpm_display_configuration_changed(adev);
+}
+
+void pp_rv_set_wm_ranges(struct pp_smu *pp,
+ struct pp_smu_wm_range_sets *ranges)
+{
+ struct dc_context *ctx = pp->ctx;
+ struct amdgpu_device *adev = ctx->driver_context;
+ void *pp_handle = adev->powerplay.pp_handle;
+ const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
+ struct dm_pp_wm_sets_with_clock_ranges_soc15 wm_with_clock_ranges;
+ struct dm_pp_clock_range_for_dmif_wm_set_soc15 *wm_dce_clocks = wm_with_clock_ranges.wm_dmif_clocks_ranges;
+ struct dm_pp_clock_range_for_mcif_wm_set_soc15 *wm_soc_clocks = wm_with_clock_ranges.wm_mcif_clocks_ranges;
+ int32_t i;
+
+ wm_with_clock_ranges.num_wm_dmif_sets = ranges->num_reader_wm_sets;
+ wm_with_clock_ranges.num_wm_mcif_sets = ranges->num_writer_wm_sets;
+
+ for (i = 0; i < wm_with_clock_ranges.num_wm_dmif_sets; i++) {
+ if (ranges->reader_wm_sets[i].wm_inst > 3)
+ wm_dce_clocks[i].wm_set_id = WM_SET_A;
+ else
+ wm_dce_clocks[i].wm_set_id =
+ ranges->reader_wm_sets[i].wm_inst;
+ wm_dce_clocks[i].wm_max_dcfclk_clk_in_khz =
+ ranges->reader_wm_sets[i].max_drain_clk_khz;
+ wm_dce_clocks[i].wm_min_dcfclk_clk_in_khz =
+ ranges->reader_wm_sets[i].min_drain_clk_khz;
+ wm_dce_clocks[i].wm_max_mem_clk_in_khz =
+ ranges->reader_wm_sets[i].max_fill_clk_khz;
+ wm_dce_clocks[i].wm_min_mem_clk_in_khz =
+ ranges->reader_wm_sets[i].min_fill_clk_khz;
+ }
+
+ for (i = 0; i < wm_with_clock_ranges.num_wm_mcif_sets; i++) {
+ if (ranges->writer_wm_sets[i].wm_inst > 3)
+ wm_soc_clocks[i].wm_set_id = WM_SET_A;
+ else
+ wm_soc_clocks[i].wm_set_id =
+ ranges->writer_wm_sets[i].wm_inst;
+ wm_soc_clocks[i].wm_max_socclk_clk_in_khz =
+ ranges->writer_wm_sets[i].max_fill_clk_khz;
+ wm_soc_clocks[i].wm_min_socclk_clk_in_khz =
+ ranges->writer_wm_sets[i].min_fill_clk_khz;
+ wm_soc_clocks[i].wm_max_mem_clk_in_khz =
+ ranges->writer_wm_sets[i].max_drain_clk_khz;
+ wm_soc_clocks[i].wm_min_mem_clk_in_khz =
+ ranges->writer_wm_sets[i].min_drain_clk_khz;
+ }
+
+ pp_funcs->set_watermarks_for_clocks_ranges(pp_handle, &wm_with_clock_ranges);
+}
+
+void pp_rv_set_pme_wa_enable(struct pp_smu *pp)
+{
+ struct dc_context *ctx = pp->ctx;
+ struct amdgpu_device *adev = ctx->driver_context;
+ void *pp_handle = adev->powerplay.pp_handle;
+ const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
+
+ if (!pp_funcs || !pp_funcs->notify_smu_enable_pwe)
+ return;
+
+ pp_funcs->notify_smu_enable_pwe(pp_handle);
+}
+
+void dm_pp_get_funcs_rv(
+ struct dc_context *ctx,
+ struct pp_smu_funcs_rv *funcs)
+{
+ funcs->pp_smu.ctx = ctx;
+ funcs->set_display_requirement = pp_rv_set_display_requirement;
+ funcs->set_wm_ranges = pp_rv_set_wm_ranges;
+ funcs->set_pme_wa_enable = pp_rv_set_pme_wa_enable;
+}
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c
index 5a2e952c5bea..516795342dd2 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c
@@ -35,13 +35,7 @@
#include "amdgpu_dm_irq.h"
#include "amdgpu_pm.h"
-unsigned long long dm_get_timestamp(struct dc_context *ctx)
-{
- struct timespec64 time;
- getrawmonotonic64(&time);
- return timespec64_to_ns(&time);
-}
unsigned long long dm_get_elapse_time_in_ns(struct dc_context *ctx,
unsigned long long current_time_stamp,
@@ -80,327 +74,3 @@ bool dm_read_persistent_data(struct dc_context *ctx,
/**** power component interfaces ****/
-bool dm_pp_apply_display_requirements(
- const struct dc_context *ctx,
- const struct dm_pp_display_configuration *pp_display_cfg)
-{
- struct amdgpu_device *adev = ctx->driver_context;
-
- if (adev->pm.dpm_enabled) {
-
- memset(&adev->pm.pm_display_cfg, 0,
- sizeof(adev->pm.pm_display_cfg));
-
- adev->pm.pm_display_cfg.cpu_cc6_disable =
- pp_display_cfg->cpu_cc6_disable;
-
- adev->pm.pm_display_cfg.cpu_pstate_disable =
- pp_display_cfg->cpu_pstate_disable;
-
- adev->pm.pm_display_cfg.cpu_pstate_separation_time =
- pp_display_cfg->cpu_pstate_separation_time;
-
- adev->pm.pm_display_cfg.nb_pstate_switch_disable =
- pp_display_cfg->nb_pstate_switch_disable;
-
- adev->pm.pm_display_cfg.num_display =
- pp_display_cfg->display_count;
- adev->pm.pm_display_cfg.num_path_including_non_display =
- pp_display_cfg->display_count;
-
- adev->pm.pm_display_cfg.min_core_set_clock =
- pp_display_cfg->min_engine_clock_khz/10;
- adev->pm.pm_display_cfg.min_core_set_clock_in_sr =
- pp_display_cfg->min_engine_clock_deep_sleep_khz/10;
- adev->pm.pm_display_cfg.min_mem_set_clock =
- pp_display_cfg->min_memory_clock_khz/10;
-
- adev->pm.pm_display_cfg.multi_monitor_in_sync =
- pp_display_cfg->all_displays_in_sync;
- adev->pm.pm_display_cfg.min_vblank_time =
- pp_display_cfg->avail_mclk_switch_time_us;
-
- adev->pm.pm_display_cfg.display_clk =
- pp_display_cfg->disp_clk_khz/10;
-
- adev->pm.pm_display_cfg.dce_tolerable_mclk_in_active_latency =
- pp_display_cfg->avail_mclk_switch_time_in_disp_active_us;
-
- adev->pm.pm_display_cfg.crtc_index = pp_display_cfg->crtc_index;
- adev->pm.pm_display_cfg.line_time_in_us =
- pp_display_cfg->line_time_in_us;
-
- adev->pm.pm_display_cfg.vrefresh = pp_display_cfg->disp_configs[0].v_refresh;
- adev->pm.pm_display_cfg.crossfire_display_index = -1;
- adev->pm.pm_display_cfg.min_bus_bandwidth = 0;
-
- /* TODO: complete implementation of
- * pp_display_configuration_change().
- * Follow example of:
- * PHM_StoreDALConfigurationData - powerplay\hwmgr\hardwaremanager.c
- * PP_IRI_DisplayConfigurationChange - powerplay\eventmgr\iri.c */
- if (adev->powerplay.pp_funcs->display_configuration_change)
- adev->powerplay.pp_funcs->display_configuration_change(
- adev->powerplay.pp_handle,
- &adev->pm.pm_display_cfg);
-
- /* TODO: replace by a separate call to 'apply display cfg'? */
- amdgpu_pm_compute_clocks(adev);
- }
-
- return true;
-}
-
-static void get_default_clock_levels(
- enum dm_pp_clock_type clk_type,
- struct dm_pp_clock_levels *clks)
-{
- uint32_t disp_clks_in_khz[6] = {
- 300000, 400000, 496560, 626090, 685720, 757900 };
- uint32_t sclks_in_khz[6] = {
- 300000, 360000, 423530, 514290, 626090, 720000 };
- uint32_t mclks_in_khz[2] = { 333000, 800000 };
-
- switch (clk_type) {
- case DM_PP_CLOCK_TYPE_DISPLAY_CLK:
- clks->num_levels = 6;
- memmove(clks->clocks_in_khz, disp_clks_in_khz,
- sizeof(disp_clks_in_khz));
- break;
- case DM_PP_CLOCK_TYPE_ENGINE_CLK:
- clks->num_levels = 6;
- memmove(clks->clocks_in_khz, sclks_in_khz,
- sizeof(sclks_in_khz));
- break;
- case DM_PP_CLOCK_TYPE_MEMORY_CLK:
- clks->num_levels = 2;
- memmove(clks->clocks_in_khz, mclks_in_khz,
- sizeof(mclks_in_khz));
- break;
- default:
- clks->num_levels = 0;
- break;
- }
-}
-
-static enum amd_pp_clock_type dc_to_pp_clock_type(
- enum dm_pp_clock_type dm_pp_clk_type)
-{
- enum amd_pp_clock_type amd_pp_clk_type = 0;
-
- switch (dm_pp_clk_type) {
- case DM_PP_CLOCK_TYPE_DISPLAY_CLK:
- amd_pp_clk_type = amd_pp_disp_clock;
- break;
- case DM_PP_CLOCK_TYPE_ENGINE_CLK:
- amd_pp_clk_type = amd_pp_sys_clock;
- break;
- case DM_PP_CLOCK_TYPE_MEMORY_CLK:
- amd_pp_clk_type = amd_pp_mem_clock;
- break;
- default:
- DRM_ERROR("DM_PPLIB: invalid clock type: %d!\n",
- dm_pp_clk_type);
- break;
- }
-
- return amd_pp_clk_type;
-}
-
-static void pp_to_dc_clock_levels(
- const struct amd_pp_clocks *pp_clks,
- struct dm_pp_clock_levels *dc_clks,
- enum dm_pp_clock_type dc_clk_type)
-{
- uint32_t i;
-
- if (pp_clks->count > DM_PP_MAX_CLOCK_LEVELS) {
- DRM_INFO("DM_PPLIB: Warning: %s clock: number of levels %d exceeds maximum of %d!\n",
- DC_DECODE_PP_CLOCK_TYPE(dc_clk_type),
- pp_clks->count,
- DM_PP_MAX_CLOCK_LEVELS);
-
- dc_clks->num_levels = DM_PP_MAX_CLOCK_LEVELS;
- } else
- dc_clks->num_levels = pp_clks->count;
-
- DRM_INFO("DM_PPLIB: values for %s clock\n",
- DC_DECODE_PP_CLOCK_TYPE(dc_clk_type));
-
- for (i = 0; i < dc_clks->num_levels; i++) {
- DRM_INFO("DM_PPLIB:\t %d\n", pp_clks->clock[i]);
- /* translate 10kHz to kHz */
- dc_clks->clocks_in_khz[i] = pp_clks->clock[i] * 10;
- }
-}
-
-static void pp_to_dc_clock_levels_with_latency(
- const struct pp_clock_levels_with_latency *pp_clks,
- struct dm_pp_clock_levels_with_latency *clk_level_info,
- enum dm_pp_clock_type dc_clk_type)
-{
- uint32_t i;
-
- if (pp_clks->num_levels > DM_PP_MAX_CLOCK_LEVELS) {
- DRM_INFO("DM_PPLIB: Warning: %s clock: number of levels %d exceeds maximum of %d!\n",
- DC_DECODE_PP_CLOCK_TYPE(dc_clk_type),
- pp_clks->num_levels,
- DM_PP_MAX_CLOCK_LEVELS);
-
- clk_level_info->num_levels = DM_PP_MAX_CLOCK_LEVELS;
- } else
- clk_level_info->num_levels = pp_clks->num_levels;
-
- DRM_DEBUG("DM_PPLIB: values for %s clock\n",
- DC_DECODE_PP_CLOCK_TYPE(dc_clk_type));
-
- for (i = 0; i < clk_level_info->num_levels; i++) {
- DRM_DEBUG("DM_PPLIB:\t %d in 10kHz\n", pp_clks->data[i].clocks_in_khz);
- /* translate 10kHz to kHz */
- clk_level_info->data[i].clocks_in_khz = pp_clks->data[i].clocks_in_khz * 10;
- clk_level_info->data[i].latency_in_us = pp_clks->data[i].latency_in_us;
- }
-}
-
-bool dm_pp_get_clock_levels_by_type(
- const struct dc_context *ctx,
- enum dm_pp_clock_type clk_type,
- struct dm_pp_clock_levels *dc_clks)
-{
- struct amdgpu_device *adev = ctx->driver_context;
- void *pp_handle = adev->powerplay.pp_handle;
- struct amd_pp_clocks pp_clks = { 0 };
- struct amd_pp_simple_clock_info validation_clks = { 0 };
- uint32_t i;
-
- if (adev->powerplay.pp_funcs->get_clock_by_type) {
- if (adev->powerplay.pp_funcs->get_clock_by_type(pp_handle,
- dc_to_pp_clock_type(clk_type), &pp_clks)) {
- /* Error in pplib. Provide default values. */
- get_default_clock_levels(clk_type, dc_clks);
- return true;
- }
- }
-
- pp_to_dc_clock_levels(&pp_clks, dc_clks, clk_type);
-
- if (adev->powerplay.pp_funcs->get_display_mode_validation_clocks) {
- if (adev->powerplay.pp_funcs->get_display_mode_validation_clocks(
- pp_handle, &validation_clks)) {
- /* Error in pplib. Provide default values. */
- DRM_INFO("DM_PPLIB: Warning: using default validation clocks!\n");
- validation_clks.engine_max_clock = 72000;
- validation_clks.memory_max_clock = 80000;
- validation_clks.level = 0;
- }
- }
-
- DRM_INFO("DM_PPLIB: Validation clocks:\n");
- DRM_INFO("DM_PPLIB: engine_max_clock: %d\n",
- validation_clks.engine_max_clock);
- DRM_INFO("DM_PPLIB: memory_max_clock: %d\n",
- validation_clks.memory_max_clock);
- DRM_INFO("DM_PPLIB: level : %d\n",
- validation_clks.level);
-
- /* Translate 10 kHz to kHz. */
- validation_clks.engine_max_clock *= 10;
- validation_clks.memory_max_clock *= 10;
-
- /* Determine the highest non-boosted level from the Validation Clocks */
- if (clk_type == DM_PP_CLOCK_TYPE_ENGINE_CLK) {
- for (i = 0; i < dc_clks->num_levels; i++) {
- if (dc_clks->clocks_in_khz[i] > validation_clks.engine_max_clock) {
- /* This clock is higher the validation clock.
- * Than means the previous one is the highest
- * non-boosted one. */
- DRM_INFO("DM_PPLIB: reducing engine clock level from %d to %d\n",
- dc_clks->num_levels, i);
- dc_clks->num_levels = i > 0 ? i : 1;
- break;
- }
- }
- } else if (clk_type == DM_PP_CLOCK_TYPE_MEMORY_CLK) {
- for (i = 0; i < dc_clks->num_levels; i++) {
- if (dc_clks->clocks_in_khz[i] > validation_clks.memory_max_clock) {
- DRM_INFO("DM_PPLIB: reducing memory clock level from %d to %d\n",
- dc_clks->num_levels, i);
- dc_clks->num_levels = i > 0 ? i : 1;
- break;
- }
- }
- }
-
- return true;
-}
-
-bool dm_pp_get_clock_levels_by_type_with_latency(
- const struct dc_context *ctx,
- enum dm_pp_clock_type clk_type,
- struct dm_pp_clock_levels_with_latency *clk_level_info)
-{
- struct amdgpu_device *adev = ctx->driver_context;
- void *pp_handle = adev->powerplay.pp_handle;
- struct pp_clock_levels_with_latency pp_clks = { 0 };
- const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
-
- if (!pp_funcs || !pp_funcs->get_clock_by_type_with_latency)
- return false;
-
- if (pp_funcs->get_clock_by_type_with_latency(pp_handle,
- dc_to_pp_clock_type(clk_type),
- &pp_clks))
- return false;
-
- pp_to_dc_clock_levels_with_latency(&pp_clks, clk_level_info, clk_type);
-
- return true;
-}
-
-bool dm_pp_get_clock_levels_by_type_with_voltage(
- const struct dc_context *ctx,
- enum dm_pp_clock_type clk_type,
- struct dm_pp_clock_levels_with_voltage *clk_level_info)
-{
- /* TODO: to be implemented */
- return false;
-}
-
-bool dm_pp_notify_wm_clock_changes(
- const struct dc_context *ctx,
- struct dm_pp_wm_sets_with_clock_ranges *wm_with_clock_ranges)
-{
- /* TODO: to be implemented */
- return false;
-}
-
-bool dm_pp_apply_power_level_change_request(
- const struct dc_context *ctx,
- struct dm_pp_power_level_change_request *level_change_req)
-{
- /* TODO: to be implemented */
- return false;
-}
-
-bool dm_pp_apply_clock_for_voltage_request(
- const struct dc_context *ctx,
- struct dm_pp_clock_for_voltage_req *clock_for_voltage_req)
-{
- /* TODO: to be implemented */
- return false;
-}
-
-bool dm_pp_get_static_clocks(
- const struct dc_context *ctx,
- struct dm_pp_static_clock_info *static_clk_info)
-{
- /* TODO: to be implemented */
- return false;
-}
-
-void dm_pp_get_funcs_rv(
- struct dc_context *ctx,
- struct pp_smu_funcs_rv *funcs)
-{}
-
-/**** end of power component interfaces ****/
generated by cgit v1.2.3 (git 2.39.0) at 2024-09-18 15:55:11 +0300