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path: root/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c104
1 files changed, 29 insertions, 75 deletions
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 5140d9c2bf3b..e702f0d72d53 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -88,6 +88,7 @@
#include <drm/drm_vblank.h>
#include <drm/drm_audio_component.h>
#include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_plane_helper.h>
#include "ivsrcid/dcn/irqsrcs_dcn_1_0.h"
@@ -2807,20 +2808,18 @@ static const struct drm_mode_config_funcs amdgpu_dm_mode_funcs = {
};
static struct drm_mode_config_helper_funcs amdgpu_dm_mode_config_helperfuncs = {
- .atomic_commit_tail = amdgpu_dm_atomic_commit_tail
+ .atomic_commit_tail = amdgpu_dm_atomic_commit_tail,
+ .atomic_commit_setup = drm_dp_mst_atomic_setup_commit,
};
static void update_connector_ext_caps(struct amdgpu_dm_connector *aconnector)
{
- u32 max_avg, min_cll, max, min, q, r;
struct amdgpu_dm_backlight_caps *caps;
struct amdgpu_display_manager *dm;
struct drm_connector *conn_base;
struct amdgpu_device *adev;
struct dc_link *link = NULL;
- static const u8 pre_computed_values[] = {
- 50, 51, 52, 53, 55, 56, 57, 58, 59, 61, 62, 63, 65, 66, 68, 69,
- 71, 72, 74, 75, 77, 79, 81, 82, 84, 86, 88, 90, 92, 94, 96, 98};
+ struct drm_luminance_range_info *luminance_range;
int i;
if (!aconnector || !aconnector->dc_link)
@@ -2842,8 +2841,6 @@ static void update_connector_ext_caps(struct amdgpu_dm_connector *aconnector)
caps = &dm->backlight_caps[i];
caps->ext_caps = &aconnector->dc_link->dpcd_sink_ext_caps;
caps->aux_support = false;
- max_avg = conn_base->hdr_sink_metadata.hdmi_type1.max_fall;
- min_cll = conn_base->hdr_sink_metadata.hdmi_type1.min_cll;
if (caps->ext_caps->bits.oled == 1 /*||
caps->ext_caps->bits.sdr_aux_backlight_control == 1 ||
@@ -2855,31 +2852,9 @@ static void update_connector_ext_caps(struct amdgpu_dm_connector *aconnector)
else if (amdgpu_backlight == 1)
caps->aux_support = true;
- /* From the specification (CTA-861-G), for calculating the maximum
- * luminance we need to use:
- * Luminance = 50*2**(CV/32)
- * Where CV is a one-byte value.
- * For calculating this expression we may need float point precision;
- * to avoid this complexity level, we take advantage that CV is divided
- * by a constant. From the Euclids division algorithm, we know that CV
- * can be written as: CV = 32*q + r. Next, we replace CV in the
- * Luminance expression and get 50*(2**q)*(2**(r/32)), hence we just
- * need to pre-compute the value of r/32. For pre-computing the values
- * We just used the following Ruby line:
- * (0...32).each {|cv| puts (50*2**(cv/32.0)).round}
- * The results of the above expressions can be verified at
- * pre_computed_values.
- */
- q = max_avg >> 5;
- r = max_avg % 32;
- max = (1 << q) * pre_computed_values[r];
-
- // min luminance: maxLum * (CV/255)^2 / 100
- q = DIV_ROUND_CLOSEST(min_cll, 255);
- min = max * DIV_ROUND_CLOSEST((q * q), 100);
-
- caps->aux_max_input_signal = max;
- caps->aux_min_input_signal = min;
+ luminance_range = &conn_base->display_info.luminance_range;
+ caps->aux_min_input_signal = luminance_range->min_luminance;
+ caps->aux_max_input_signal = luminance_range->max_luminance;
}
void amdgpu_dm_update_connector_after_detect(
@@ -6321,10 +6296,17 @@ amdgpu_dm_connector_atomic_check(struct drm_connector *conn,
drm_atomic_get_old_connector_state(state, conn);
struct drm_crtc *crtc = new_con_state->crtc;
struct drm_crtc_state *new_crtc_state;
+ struct amdgpu_dm_connector *aconn = to_amdgpu_dm_connector(conn);
int ret;
trace_amdgpu_dm_connector_atomic_check(new_con_state);
+ if (conn->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
+ ret = drm_dp_mst_root_conn_atomic_check(new_con_state, &aconn->mst_mgr);
+ if (ret < 0)
+ return ret;
+ }
+
if (!crtc)
return 0;
@@ -6408,6 +6390,7 @@ static int dm_encoder_helper_atomic_check(struct drm_encoder *encoder,
const struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode;
struct drm_dp_mst_topology_mgr *mst_mgr;
struct drm_dp_mst_port *mst_port;
+ struct drm_dp_mst_topology_state *mst_state;
enum dc_color_depth color_depth;
int clock, bpp = 0;
bool is_y420 = false;
@@ -6421,6 +6404,13 @@ static int dm_encoder_helper_atomic_check(struct drm_encoder *encoder,
if (!crtc_state->connectors_changed && !crtc_state->mode_changed)
return 0;
+ mst_state = drm_atomic_get_mst_topology_state(state, mst_mgr);
+ if (IS_ERR(mst_state))
+ return PTR_ERR(mst_state);
+
+ if (!mst_state->pbn_div)
+ mst_state->pbn_div = dm_mst_get_pbn_divider(aconnector->mst_port->dc_link);
+
if (!state->duplicated) {
int max_bpc = conn_state->max_requested_bpc;
is_y420 = drm_mode_is_420_also(&connector->display_info, adjusted_mode) &&
@@ -6432,11 +6422,10 @@ static int dm_encoder_helper_atomic_check(struct drm_encoder *encoder,
clock = adjusted_mode->clock;
dm_new_connector_state->pbn = drm_dp_calc_pbn_mode(clock, bpp, false);
}
- dm_new_connector_state->vcpi_slots = drm_dp_atomic_find_vcpi_slots(state,
- mst_mgr,
- mst_port,
- dm_new_connector_state->pbn,
- dm_mst_get_pbn_divider(aconnector->dc_link));
+
+ dm_new_connector_state->vcpi_slots =
+ drm_dp_atomic_find_time_slots(state, mst_mgr, mst_port,
+ dm_new_connector_state->pbn);
if (dm_new_connector_state->vcpi_slots < 0) {
DRM_DEBUG_ATOMIC("failed finding vcpi slots: %d\n", (int)dm_new_connector_state->vcpi_slots);
return dm_new_connector_state->vcpi_slots;
@@ -6506,18 +6495,12 @@ static int dm_update_mst_vcpi_slots_for_dsc(struct drm_atomic_state *state,
dm_conn_state->pbn = pbn;
dm_conn_state->vcpi_slots = slot_num;
- drm_dp_mst_atomic_enable_dsc(state,
- aconnector->port,
- dm_conn_state->pbn,
- 0,
+ drm_dp_mst_atomic_enable_dsc(state, aconnector->port, dm_conn_state->pbn,
false);
continue;
}
- vcpi = drm_dp_mst_atomic_enable_dsc(state,
- aconnector->port,
- pbn, pbn_div,
- true);
+ vcpi = drm_dp_mst_atomic_enable_dsc(state, aconnector->port, pbn, true);
if (vcpi < 0)
return vcpi;
@@ -7992,6 +7975,7 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
DRM_ERROR("Waiting for fences timed out!");
drm_atomic_helper_update_legacy_modeset_state(dev, state);
+ drm_dp_mst_atomic_wait_for_dependencies(state);
dm_state = dm_atomic_get_new_state(state);
if (dm_state && dm_state->context) {
@@ -8390,7 +8374,6 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
dc_release_state(dc_state_temp);
}
-
static int dm_force_atomic_commit(struct drm_connector *connector)
{
int ret = 0;
@@ -9361,8 +9344,6 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state;
#if defined(CONFIG_DRM_AMD_DC_DCN)
struct dsc_mst_fairness_vars vars[MAX_PIPES];
- struct drm_dp_mst_topology_state *mst_state;
- struct drm_dp_mst_topology_mgr *mgr;
#endif
trace_amdgpu_dm_atomic_check_begin(state);
@@ -9601,33 +9582,6 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
lock_and_validation_needed = true;
}
-#if defined(CONFIG_DRM_AMD_DC_DCN)
- /* set the slot info for each mst_state based on the link encoding format */
- for_each_new_mst_mgr_in_state(state, mgr, mst_state, i) {
- struct amdgpu_dm_connector *aconnector;
- struct drm_connector *connector;
- struct drm_connector_list_iter iter;
- u8 link_coding_cap;
-
- if (!mgr->mst_state )
- continue;
-
- drm_connector_list_iter_begin(dev, &iter);
- drm_for_each_connector_iter(connector, &iter) {
- int id = connector->index;
-
- if (id == mst_state->mgr->conn_base_id) {
- aconnector = to_amdgpu_dm_connector(connector);
- link_coding_cap = dc_link_dp_mst_decide_link_encoding_format(aconnector->dc_link);
- drm_dp_mst_update_slots(mst_state, link_coding_cap);
-
- break;
- }
- }
- drm_connector_list_iter_end(&iter);
-
- }
-#endif
/**
* Streams and planes are reset when there are changes that affect
* bandwidth. Anything that affects bandwidth needs to go through