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authorMaxime Ripard <maxime.ripard@bootlin.com>2019-07-22 22:24:10 +0300
committerMaxime Ripard <maxime.ripard@bootlin.com>2019-07-22 22:24:10 +0300
commit03b0f2ce735e97e9f49790d4563c82515b8fa702 (patch)
treeda561805bffd06bfba81c867f83cacb28f3a64e5 /drivers/gpu/drm/armada
parente4f86e43716443e934d705952902d40de0fa9a05 (diff)
parent5f9e832c137075045d15cd6899ab0505cfb2ca4b (diff)
downloadlinux-03b0f2ce735e97e9f49790d4563c82515b8fa702.tar.xz
Merge v5.3-rc1 into drm-misc-next
Noralf needs some SPI patches in 5.3 to merge some work on tinydrm. Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Diffstat (limited to 'drivers/gpu/drm/armada')
-rw-r--r--drivers/gpu/drm/armada/armada_510.c135
-rw-r--r--drivers/gpu/drm/armada/armada_crtc.c219
-rw-r--r--drivers/gpu/drm/armada/armada_crtc.h26
-rw-r--r--drivers/gpu/drm/armada/armada_debugfs.c103
-rw-r--r--drivers/gpu/drm/armada/armada_drm.h6
-rw-r--r--drivers/gpu/drm/armada/armada_drv.c43
-rw-r--r--drivers/gpu/drm/armada/armada_fb.c5
-rw-r--r--drivers/gpu/drm/armada/armada_fb.h5
-rw-r--r--drivers/gpu/drm/armada/armada_fbdev.c5
-rw-r--r--drivers/gpu/drm/armada/armada_gem.c5
-rw-r--r--drivers/gpu/drm/armada/armada_gem.h5
-rw-r--r--drivers/gpu/drm/armada/armada_hw.h34
-rw-r--r--drivers/gpu/drm/armada/armada_ioctlP.h5
-rw-r--r--drivers/gpu/drm/armada/armada_overlay.c61
-rw-r--r--drivers/gpu/drm/armada/armada_plane.c129
-rw-r--r--drivers/gpu/drm/armada/armada_plane.h23
16 files changed, 537 insertions, 272 deletions
diff --git a/drivers/gpu/drm/armada/armada_510.c b/drivers/gpu/drm/armada/armada_510.c
index 0e91d27921bd..93d5c0a2d49a 100644
--- a/drivers/gpu/drm/armada/armada_510.c
+++ b/drivers/gpu/drm/armada/armada_510.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2012 Russell King
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
* Armada 510 (aka Dove) variant support
*/
#include <linux/clk.h>
@@ -14,18 +11,62 @@
#include "armada_drm.h"
#include "armada_hw.h"
+struct armada510_variant_data {
+ struct clk *clks[4];
+ struct clk *sel_clk;
+};
+
static int armada510_crtc_init(struct armada_crtc *dcrtc, struct device *dev)
{
+ struct armada510_variant_data *v;
struct clk *clk;
+ int idx;
+
+ v = devm_kzalloc(dev, sizeof(*v), GFP_KERNEL);
+ if (!v)
+ return -ENOMEM;
+
+ dcrtc->variant_data = v;
+
+ if (dev->of_node) {
+ struct property *prop;
+ const char *s;
+
+ of_property_for_each_string(dev->of_node, "clock-names", prop,
+ s) {
+ if (!strcmp(s, "ext_ref_clk0"))
+ idx = 0;
+ else if (!strcmp(s, "ext_ref_clk1"))
+ idx = 1;
+ else if (!strcmp(s, "plldivider"))
+ idx = 2;
+ else if (!strcmp(s, "axibus"))
+ idx = 3;
+ else
+ continue;
+
+ clk = devm_clk_get(dev, s);
+ if (IS_ERR(clk))
+ return PTR_ERR(clk) == -ENOENT ? -EPROBE_DEFER :
+ PTR_ERR(clk);
+ v->clks[idx] = clk;
+ }
+ } else {
+ clk = devm_clk_get(dev, "ext_ref_clk1");
+ if (IS_ERR(clk))
+ return PTR_ERR(clk) == -ENOENT ? -EPROBE_DEFER :
+ PTR_ERR(clk);
+
+ v->clks[1] = clk;
+ }
- clk = devm_clk_get(dev, "ext_ref_clk1");
- if (IS_ERR(clk))
- return PTR_ERR(clk) == -ENOENT ? -EPROBE_DEFER : PTR_ERR(clk);
-
- dcrtc->extclk[0] = clk;
-
- /* Lower the watermark so to eliminate jitter at higher bandwidths */
- armada_updatel(0x20, (1 << 11) | 0xff, dcrtc->base + LCD_CFG_RDREG4F);
+ /*
+ * Lower the watermark so to eliminate jitter at higher bandwidths.
+ * Disable SRAM read wait state to avoid system hang with external
+ * clock.
+ */
+ armada_updatel(CFG_DMA_WM(0x20), CFG_SRAM_WAIT | CFG_DMA_WM_MASK,
+ dcrtc->base + LCD_CFG_RDREG4F);
/* Initialise SPU register */
writel_relaxed(ADV_HWC32ENABLE | ADV_HWC32ARGB | ADV_HWC32BLEND,
@@ -34,65 +75,77 @@ static int armada510_crtc_init(struct armada_crtc *dcrtc, struct device *dev)
return 0;
}
+static const u32 armada510_clk_sels[] = {
+ SCLK_510_EXTCLK0,
+ SCLK_510_EXTCLK1,
+ SCLK_510_PLL,
+ SCLK_510_AXI,
+};
+
+static const struct armada_clocking_params armada510_clocking = {
+ /* HDMI requires -0.6%..+0.5% */
+ .permillage_min = 994,
+ .permillage_max = 1005,
+ .settable = BIT(0) | BIT(1),
+ .div_max = SCLK_510_INT_DIV_MASK,
+};
+
/*
* Armada510 specific SCLK register selection.
* This gets called with sclk = NULL to test whether the mode is
* supportable, and again with sclk != NULL to set the clocks up for
* that. The former can return an error, but the latter is expected
* not to.
- *
- * We currently are pretty rudimentary here, always selecting
- * EXT_REF_CLK_1 for LCD0 and erroring LCD1. This needs improvement!
*/
static int armada510_crtc_compute_clock(struct armada_crtc *dcrtc,
const struct drm_display_mode *mode, uint32_t *sclk)
{
- struct clk *clk = dcrtc->extclk[0];
- int ret;
+ struct armada510_variant_data *v = dcrtc->variant_data;
+ unsigned long desired_khz = mode->crtc_clock;
+ struct armada_clk_result res;
+ int ret, idx;
- if (dcrtc->num == 1)
- return -EINVAL;
+ idx = armada_crtc_select_clock(dcrtc, &res, &armada510_clocking,
+ v->clks, ARRAY_SIZE(v->clks),
+ desired_khz);
+ if (idx < 0)
+ return idx;
- if (IS_ERR(clk))
- return PTR_ERR(clk);
-
- if (dcrtc->clk != clk) {
- ret = clk_prepare_enable(clk);
- if (ret)
- return ret;
- dcrtc->clk = clk;
- }
+ ret = clk_prepare_enable(res.clk);
+ if (ret)
+ return ret;
if (sclk) {
- uint32_t rate, ref, div;
+ clk_set_rate(res.clk, res.desired_clk_hz);
- rate = mode->clock * 1000;
- ref = clk_round_rate(clk, rate);
- div = DIV_ROUND_UP(ref, rate);
- if (div < 1)
- div = 1;
+ *sclk = res.div | armada510_clk_sels[idx];
- clk_set_rate(clk, ref);
- *sclk = div | SCLK_510_EXTCLK1;
+ /* We are now using this clock */
+ v->sel_clk = res.clk;
+ swap(dcrtc->clk, res.clk);
}
+ clk_disable_unprepare(res.clk);
+
return 0;
}
static void armada510_crtc_disable(struct armada_crtc *dcrtc)
{
- if (!IS_ERR(dcrtc->clk)) {
+ if (dcrtc->clk) {
clk_disable_unprepare(dcrtc->clk);
- dcrtc->clk = ERR_PTR(-EINVAL);
+ dcrtc->clk = NULL;
}
}
static void armada510_crtc_enable(struct armada_crtc *dcrtc,
const struct drm_display_mode *mode)
{
- if (IS_ERR(dcrtc->clk)) {
- dcrtc->clk = dcrtc->extclk[0];
- WARN_ON(clk_prepare_enable(dcrtc->clk));
+ struct armada510_variant_data *v = dcrtc->variant_data;
+
+ if (!dcrtc->clk && v->sel_clk) {
+ if (!WARN_ON(clk_prepare_enable(v->sel_clk)))
+ dcrtc->clk = v->sel_clk;
}
}
diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c
index ba4a3fab7745..d44fca4e1655 100644
--- a/drivers/gpu/drm/armada/armada_crtc.c
+++ b/drivers/gpu/drm/armada/armada_crtc.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2012 Russell King
* Rewritten from the dovefb driver, and Armada510 manuals.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/clk.h>
#include <linux/component.h>
@@ -130,6 +127,70 @@ static void armada_drm_crtc_queue_state_event(struct drm_crtc *crtc)
}
}
+static void armada_drm_update_gamma(struct drm_crtc *crtc)
+{
+ struct drm_property_blob *blob = crtc->state->gamma_lut;
+ void __iomem *base = drm_to_armada_crtc(crtc)->base;
+ int i;
+
+ if (blob) {
+ struct drm_color_lut *lut = blob->data;
+
+ armada_updatel(CFG_CSB_256x8, CFG_CSB_256x8 | CFG_PDWN256x8,
+ base + LCD_SPU_SRAM_PARA1);
+
+ for (i = 0; i < 256; i++) {
+ writel_relaxed(drm_color_lut_extract(lut[i].red, 8),
+ base + LCD_SPU_SRAM_WRDAT);
+ writel_relaxed(i | SRAM_WRITE | SRAM_GAMMA_YR,
+ base + LCD_SPU_SRAM_CTRL);
+ readl_relaxed(base + LCD_SPU_HWC_OVSA_HPXL_VLN);
+ writel_relaxed(drm_color_lut_extract(lut[i].green, 8),
+ base + LCD_SPU_SRAM_WRDAT);
+ writel_relaxed(i | SRAM_WRITE | SRAM_GAMMA_UG,
+ base + LCD_SPU_SRAM_CTRL);
+ readl_relaxed(base + LCD_SPU_HWC_OVSA_HPXL_VLN);
+ writel_relaxed(drm_color_lut_extract(lut[i].blue, 8),
+ base + LCD_SPU_SRAM_WRDAT);
+ writel_relaxed(i | SRAM_WRITE | SRAM_GAMMA_VB,
+ base + LCD_SPU_SRAM_CTRL);
+ readl_relaxed(base + LCD_SPU_HWC_OVSA_HPXL_VLN);
+ }
+ armada_updatel(CFG_GAMMA_ENA, CFG_GAMMA_ENA,
+ base + LCD_SPU_DMA_CTRL0);
+ } else {
+ armada_updatel(0, CFG_GAMMA_ENA, base + LCD_SPU_DMA_CTRL0);
+ armada_updatel(CFG_PDWN256x8, CFG_CSB_256x8 | CFG_PDWN256x8,
+ base + LCD_SPU_SRAM_PARA1);
+ }
+}
+
+static enum drm_mode_status armada_drm_crtc_mode_valid(struct drm_crtc *crtc,
+ const struct drm_display_mode *mode)
+{
+ struct armada_crtc *dcrtc = drm_to_armada_crtc(crtc);
+
+ if (mode->vscan > 1)
+ return MODE_NO_VSCAN;
+
+ if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+ return MODE_NO_DBLESCAN;
+
+ if (mode->flags & DRM_MODE_FLAG_HSKEW)
+ return MODE_H_ILLEGAL;
+
+ /* We can't do interlaced modes if we don't have the SPU_ADV_REG */
+ if (!dcrtc->variant->has_spu_adv_reg &&
+ mode->flags & DRM_MODE_FLAG_INTERLACE)
+ return MODE_NO_INTERLACE;
+
+ if (mode->flags & (DRM_MODE_FLAG_BCAST | DRM_MODE_FLAG_PIXMUX |
+ DRM_MODE_FLAG_CLKDIV2))
+ return MODE_BAD;
+
+ return MODE_OK;
+}
+
/* The mode_config.mutex will be held for this call */
static bool armada_drm_crtc_mode_fixup(struct drm_crtc *crtc,
const struct drm_display_mode *mode, struct drm_display_mode *adj)
@@ -137,9 +198,18 @@ static bool armada_drm_crtc_mode_fixup(struct drm_crtc *crtc,
struct armada_crtc *dcrtc = drm_to_armada_crtc(crtc);
int ret;
- /* We can't do interlaced modes if we don't have the SPU_ADV_REG */
- if (!dcrtc->variant->has_spu_adv_reg &&
- adj->flags & DRM_MODE_FLAG_INTERLACE)
+ /*
+ * Set CRTC modesetting parameters for the adjusted mode. This is
+ * applied after the connectors, bridges, and encoders have fixed up
+ * this mode, as described above drm_atomic_helper_check_modeset().
+ */
+ drm_mode_set_crtcinfo(adj, CRTC_INTERLACE_HALVE_V);
+
+ /*
+ * Validate the adjusted mode in case an encoder/bridge has set
+ * something we don't support.
+ */
+ if (armada_drm_crtc_mode_valid(crtc, adj) != MODE_OK)
return false;
/* Check whether the display mode is possible */
@@ -278,16 +348,9 @@ static void armada_drm_crtc_mode_set_nofb(struct drm_crtc *crtc)
armada_reg_queue_set(regs, i, sclk, LCD_CFG_SCLK_DIV);
- if (interlaced ^ dcrtc->interlaced) {
- if (adj->flags & DRM_MODE_FLAG_INTERLACE)
- drm_crtc_vblank_get(&dcrtc->crtc);
- else
- drm_crtc_vblank_put(&dcrtc->crtc);
- dcrtc->interlaced = interlaced;
- }
-
spin_lock_irqsave(&dcrtc->irq_lock, flags);
+ dcrtc->interlaced = interlaced;
/* Even interlaced/progressive frame */
dcrtc->v[1].spu_v_h_total = adj->crtc_vtotal << 16 |
adj->crtc_htotal;
@@ -345,6 +408,20 @@ static void armada_drm_crtc_mode_set_nofb(struct drm_crtc *crtc)
spin_unlock_irqrestore(&dcrtc->irq_lock, flags);
}
+static int armada_drm_crtc_atomic_check(struct drm_crtc *crtc,
+ struct drm_crtc_state *state)
+{
+ DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name);
+
+ if (state->gamma_lut && drm_color_lut_size(state->gamma_lut) != 256)
+ return -EINVAL;
+
+ if (state->color_mgmt_changed)
+ state->planes_changed = true;
+
+ return 0;
+}
+
static void armada_drm_crtc_atomic_begin(struct drm_crtc *crtc,
struct drm_crtc_state *old_crtc_state)
{
@@ -352,6 +429,9 @@ static void armada_drm_crtc_atomic_begin(struct drm_crtc *crtc,
DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name);
+ if (crtc->state->color_mgmt_changed)
+ armada_drm_update_gamma(crtc);
+
dcrtc->regs_idx = 0;
dcrtc->regs = dcrtc->atomic_regs;
}
@@ -390,6 +470,9 @@ static void armada_drm_crtc_atomic_disable(struct drm_crtc *crtc,
DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name);
+ if (old_state->adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE)
+ drm_crtc_vblank_put(crtc);
+
drm_crtc_vblank_off(crtc);
armada_drm_crtc_update(dcrtc, false);
@@ -434,12 +517,17 @@ static void armada_drm_crtc_atomic_enable(struct drm_crtc *crtc,
armada_drm_crtc_update(dcrtc, true);
drm_crtc_vblank_on(crtc);
+ if (crtc->state->adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE)
+ WARN_ON(drm_crtc_vblank_get(crtc));
+
armada_drm_crtc_queue_state_event(crtc);
}
static const struct drm_crtc_helper_funcs armada_crtc_helper_funcs = {
+ .mode_valid = armada_drm_crtc_mode_valid,
.mode_fixup = armada_drm_crtc_mode_fixup,
.mode_set_nofb = armada_drm_crtc_mode_set_nofb,
+ .atomic_check = armada_drm_crtc_atomic_check,
.atomic_begin = armada_drm_crtc_atomic_begin,
.atomic_flush = armada_drm_crtc_atomic_flush,
.atomic_disable = armada_drm_crtc_atomic_disable,
@@ -460,6 +548,13 @@ static void armada_load_cursor_argb(void __iomem *base, uint32_t *pix,
for (x = 0; x < width; x++, p++) {
uint32_t val = *p;
+ /*
+ * In "ARGB888" (HWC32) mode, writing to the SRAM
+ * requires these bits to contain:
+ * 31:24 = alpha 23:16 = blue 15:8 = green 7:0 = red
+ * So, it's actually ABGR8888. This is independent
+ * of the SWAPRB bits in DMA control register 0.
+ */
val = (val & 0xff00ff00) |
(val & 0x000000ff) << 16 |
(val & 0x00ff0000) >> 16;
@@ -676,6 +771,14 @@ static void armada_drm_crtc_destroy(struct drm_crtc *crtc)
kfree(dcrtc);
}
+static int armada_drm_crtc_late_register(struct drm_crtc *crtc)
+{
+ if (IS_ENABLED(CONFIG_DEBUG_FS))
+ armada_drm_crtc_debugfs_init(drm_to_armada_crtc(crtc));
+
+ return 0;
+}
+
/* These are called under the vbl_lock. */
static int armada_drm_crtc_enable_vblank(struct drm_crtc *crtc)
{
@@ -703,14 +806,93 @@ static const struct drm_crtc_funcs armada_crtc_funcs = {
.cursor_set = armada_drm_crtc_cursor_set,
.cursor_move = armada_drm_crtc_cursor_move,
.destroy = armada_drm_crtc_destroy,
+ .gamma_set = drm_atomic_helper_legacy_gamma_set,
.set_config = drm_atomic_helper_set_config,
.page_flip = drm_atomic_helper_page_flip,
.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
+ .late_register = armada_drm_crtc_late_register,
.enable_vblank = armada_drm_crtc_enable_vblank,
.disable_vblank = armada_drm_crtc_disable_vblank,
};
+int armada_crtc_select_clock(struct armada_crtc *dcrtc,
+ struct armada_clk_result *res,
+ const struct armada_clocking_params *params,
+ struct clk *clks[], size_t num_clks,
+ unsigned long desired_khz)
+{
+ unsigned long desired_hz = desired_khz * 1000;
+ unsigned long desired_clk_hz; // requested clk input
+ unsigned long real_clk_hz; // actual clk input
+ unsigned long real_hz; // actual pixel clk
+ unsigned long permillage;
+ struct clk *clk;
+ u32 div;
+ int i;
+
+ DRM_DEBUG_KMS("[CRTC:%u:%s] desired clock=%luHz\n",
+ dcrtc->crtc.base.id, dcrtc->crtc.name, desired_hz);
+
+ for (i = 0; i < num_clks; i++) {
+ clk = clks[i];
+ if (!clk)
+ continue;
+
+ if (params->settable & BIT(i)) {
+ real_clk_hz = clk_round_rate(clk, desired_hz);
+ desired_clk_hz = desired_hz;
+ } else {
+ real_clk_hz = clk_get_rate(clk);
+ desired_clk_hz = real_clk_hz;
+ }
+
+ /* If the clock can do exactly the desired rate, we're done */
+ if (real_clk_hz == desired_hz) {
+ real_hz = real_clk_hz;
+ div = 1;
+ goto found;
+ }
+
+ /* Calculate the divider - if invalid, we can't do this rate */
+ div = DIV_ROUND_CLOSEST(real_clk_hz, desired_hz);
+ if (div == 0 || div > params->div_max)
+ continue;
+
+ /* Calculate the actual rate - HDMI requires -0.6%..+0.5% */
+ real_hz = DIV_ROUND_CLOSEST(real_clk_hz, div);
+
+ DRM_DEBUG_KMS("[CRTC:%u:%s] clk=%u %luHz div=%u real=%luHz\n",
+ dcrtc->crtc.base.id, dcrtc->crtc.name,
+ i, real_clk_hz, div, real_hz);
+
+ /* Avoid repeated division */
+ if (real_hz < desired_hz) {
+ permillage = real_hz / desired_khz;
+ if (permillage < params->permillage_min)
+ continue;
+ } else {
+ permillage = DIV_ROUND_UP(real_hz, desired_khz);
+ if (permillage > params->permillage_max)
+ continue;
+ }
+ goto found;
+ }
+
+ return -ERANGE;
+
+found:
+ DRM_DEBUG_KMS("[CRTC:%u:%s] selected clk=%u %luHz div=%u real=%luHz\n",
+ dcrtc->crtc.base.id, dcrtc->crtc.name,
+ i, real_clk_hz, div, real_hz);
+
+ res->desired_clk_hz = desired_clk_hz;
+ res->clk = clk;
+ res->div = div;
+
+ return i;
+}
+
static int armada_drm_crtc_create(struct drm_device *drm, struct device *dev,
struct resource *res, int irq, const struct armada_variant *variant,
struct device_node *port)
@@ -737,7 +919,6 @@ static int armada_drm_crtc_create(struct drm_device *drm, struct device *dev,
dcrtc->variant = variant;
dcrtc->base = base;
dcrtc->num = drm->mode_config.num_crtc;
- dcrtc->clk = ERR_PTR(-EINVAL);
dcrtc->cfg_dumb_ctrl = DUMB24_RGB888_0;
dcrtc->spu_iopad_ctrl = CFG_VSCALE_LN_EN | CFG_IOPAD_DUMB24;
spin_lock_init(&dcrtc->irq_lock);
@@ -794,6 +975,12 @@ static int armada_drm_crtc_create(struct drm_device *drm, struct device *dev,
drm_crtc_helper_add(&dcrtc->crtc, &armada_crtc_helper_funcs);
+ ret = drm_mode_crtc_set_gamma_size(&dcrtc->crtc, 256);
+ if (ret)
+ return ret;
+
+ drm_crtc_enable_color_mgmt(&dcrtc->crtc, 0, false, 256);
+
return armada_overlay_plane_create(drm, 1 << dcrtc->num);
err_crtc_init:
diff --git a/drivers/gpu/drm/armada/armada_crtc.h b/drivers/gpu/drm/armada/armada_crtc.h
index 08761ff01739..b21267d1745f 100644
--- a/drivers/gpu/drm/armada/armada_crtc.h
+++ b/drivers/gpu/drm/armada/armada_crtc.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2012 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef ARMADA_CRTC_H
#define ARMADA_CRTC_H
@@ -39,10 +36,10 @@ struct armada_variant;
struct armada_crtc {
struct drm_crtc crtc;
const struct armada_variant *variant;
+ void *variant_data;
unsigned num;
void __iomem *base;
struct clk *clk;
- struct clk *extclk[2];
struct {
uint32_t spu_v_h_total;
uint32_t spu_v_porch;
@@ -75,6 +72,25 @@ struct armada_crtc {
void armada_drm_crtc_update_regs(struct armada_crtc *, struct armada_regs *);
+struct armada_clocking_params {
+ unsigned long permillage_min;
+ unsigned long permillage_max;
+ u32 settable;
+ u32 div_max;
+};
+
+struct armada_clk_result {
+ unsigned long desired_clk_hz;
+ struct clk *clk;
+ u32 div;
+};
+
+int armada_crtc_select_clock(struct armada_crtc *dcrtc,
+ struct armada_clk_result *res,
+ const struct armada_clocking_params *params,
+ struct clk *clks[], size_t num_clks,
+ unsigned long desired_khz);
+
extern struct platform_driver armada_lcd_platform_driver;
#endif
diff --git a/drivers/gpu/drm/armada/armada_debugfs.c b/drivers/gpu/drm/armada/armada_debugfs.c
index 6758c3a83de2..dc3716dbb2c0 100644
--- a/drivers/gpu/drm/armada/armada_debugfs.c
+++ b/drivers/gpu/drm/armada/armada_debugfs.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2012 Russell King
* Rewritten from the dovefb driver, and Armada510 manuals.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/ctype.h>
#include <linux/debugfs.h>
@@ -28,50 +25,33 @@ static int armada_debugfs_gem_linear_show(struct seq_file *m, void *data)
return 0;
}
-static int armada_debugfs_reg_show(struct seq_file *m, void *data)
+static int armada_debugfs_crtc_reg_show(struct seq_file *m, void *data)
{
- struct drm_device *dev = m->private;
- struct armada_private *priv = dev->dev_private;
- int n, i;
-
- if (priv) {
- for (n = 0; n < ARRAY_SIZE(priv->dcrtc); n++) {
- struct armada_crtc *dcrtc = priv->dcrtc[n];
- if (!dcrtc)
- continue;
-
- for (i = 0x84; i <= 0x1c4; i += 4) {
- uint32_t v = readl_relaxed(dcrtc->base + i);
- seq_printf(m, "%u: 0x%04x: 0x%08x\n", n, i, v);
- }
- }
+ struct armada_crtc *dcrtc = m->private;
+ int i;
+
+ for (i = 0x84; i <= 0x1c4; i += 4) {
+ u32 v = readl_relaxed(dcrtc->base + i);
+ seq_printf(m, "0x%04x: 0x%08x\n", i, v);
}
return 0;
}
-static int armada_debugfs_reg_r_open(struct inode *inode, struct file *file)
+static int armada_debugfs_crtc_reg_open(struct inode *inode, struct file *file)
{
- return single_open(file, armada_debugfs_reg_show, inode->i_private);
+ return single_open(file, armada_debugfs_crtc_reg_show,
+ inode->i_private);
}
-static const struct file_operations fops_reg_r = {
- .owner = THIS_MODULE,
- .open = armada_debugfs_reg_r_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
-static int armada_debugfs_write(struct file *file, const char __user *ptr,
- size_t len, loff_t *off)
+static int armada_debugfs_crtc_reg_write(struct file *file,
+ const char __user *ptr, size_t len, loff_t *off)
{
- struct drm_device *dev = file->private_data;
- struct armada_private *priv = dev->dev_private;
- struct armada_crtc *dcrtc = priv->dcrtc[0];
- char buf[32], *p;
- uint32_t reg, val;
+ struct armada_crtc *dcrtc;
+ unsigned long reg, mask, val;
+ char buf[32];
int ret;
+ u32 v;
if (*off != 0)
return 0;
@@ -84,24 +64,35 @@ static int armada_debugfs_write(struct file *file, const char __user *ptr,
return ret;
buf[len] = '\0';
- reg = simple_strtoul(buf, &p, 16);
- if (!isspace(*p))
+ if (sscanf(buf, "%lx %lx %lx", &reg, &mask, &val) != 3)
return -EINVAL;
- val = simple_strtoul(p + 1, NULL, 16);
+ if (reg < 0x84 || reg > 0x1c4 || reg & 3)
+ return -ERANGE;
- if (reg >= 0x84 && reg <= 0x1c4)
- writel(val, dcrtc->base + reg);
+ dcrtc = ((struct seq_file *)file->private_data)->private;
+ v = readl(dcrtc->base + reg);
+ v &= ~mask;
+ v |= val & mask;
+ writel(v, dcrtc->base + reg);
return len;
}
-static const struct file_operations fops_reg_w = {
+static const struct file_operations armada_debugfs_crtc_reg_fops = {
.owner = THIS_MODULE,
- .open = simple_open,
- .write = armada_debugfs_write,
- .llseek = noop_llseek,
+ .open = armada_debugfs_crtc_reg_open,
+ .read = seq_read,
+ .write = armada_debugfs_crtc_reg_write,
+ .llseek = seq_lseek,
+ .release = single_release,
};
+void armada_drm_crtc_debugfs_init(struct armada_crtc *dcrtc)
+{
+ debugfs_create_file("armada-regs", 0600, dcrtc->crtc.debugfs_entry,
+ dcrtc, &armada_debugfs_crtc_reg_fops);
+}
+
static struct drm_info_list armada_debugfs_list[] = {
{ "gem_linear", armada_debugfs_gem_linear_show, 0 },
};
@@ -109,24 +100,8 @@ static struct drm_info_list armada_debugfs_list[] = {
int armada_drm_debugfs_init(struct drm_minor *minor)
{
- struct dentry *de;
- int ret;
-
- ret = drm_debugfs_create_files(armada_debugfs_list,
- ARMADA_DEBUGFS_ENTRIES,
- minor->debugfs_root, minor);
- if (ret)
- return ret;
-
- de = debugfs_create_file("reg", S_IFREG | S_IRUSR,
- minor->debugfs_root, minor->dev, &fops_reg_r);
- if (!de)
- return -ENOMEM;
-
- de = debugfs_create_file("reg_wr", S_IFREG | S_IWUSR,
- minor->debugfs_root, minor->dev, &fops_reg_w);
- if (!de)
- return -ENOMEM;
+ drm_debugfs_create_files(armada_debugfs_list, ARMADA_DEBUGFS_ENTRIES,
+ minor->debugfs_root, minor);
return 0;
}
diff --git a/drivers/gpu/drm/armada/armada_drm.h b/drivers/gpu/drm/armada/armada_drm.h
index f09083ff15d3..c7794c8bdd90 100644
--- a/drivers/gpu/drm/armada/armada_drm.h
+++ b/drivers/gpu/drm/armada/armada_drm.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2012 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef ARMADA_DRM_H
#define ARMADA_DRM_H
@@ -78,6 +75,7 @@ void armada_fbdev_fini(struct drm_device *);
int armada_overlay_plane_create(struct drm_device *, unsigned long);
+void armada_drm_crtc_debugfs_init(struct armada_crtc *dcrtc);
int armada_drm_debugfs_init(struct drm_minor *);
#endif
diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c
index 78c8ad73ae1e..055c92bc88bf 100644
--- a/drivers/gpu/drm/armada/armada_drv.c
+++ b/drivers/gpu/drm/armada/armada_drv.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2012 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/clk.h>
#include <linux/component.h>
@@ -99,6 +96,17 @@ static int armada_drm_bind(struct device *dev)
return ret;
}
+ /* Remove early framebuffers */
+ ret = drm_fb_helper_remove_conflicting_framebuffers(NULL,
+ "armada-drm-fb",
+ false);
+ if (ret) {
+ dev_err(dev, "[" DRM_NAME ":%s] can't kick out simple-fb: %d\n",
+ __func__, ret);
+ kfree(priv);
+ return ret;
+ }
+
priv->drm.dev_private = priv;
dev_set_drvdata(dev, &priv->drm);
@@ -170,6 +178,8 @@ static void armada_drm_unbind(struct device *dev)
drm_dev_unregister(&priv->drm);
+ drm_atomic_helper_shutdown(&priv->drm);
+
component_unbind_all(dev, &priv->drm);
drm_mode_config_cleanup(&priv->drm);
@@ -190,23 +200,15 @@ static int compare_dev_name(struct device *dev, void *data)
}
static void armada_add_endpoints(struct device *dev,
- struct component_match **match, struct device_node *port)
+ struct component_match **match, struct device_node *dev_node)
{
struct device_node *ep, *remote;
- for_each_child_of_node(port, ep) {
+ for_each_endpoint_of_node(dev_node, ep) {
remote = of_graph_get_remote_port_parent(ep);
- if (!remote || !of_device_is_available(remote)) {
- of_node_put(remote);
- continue;
- } else if (!of_device_is_available(remote->parent)) {
- dev_warn(dev, "parent device of %pOF is not available\n",
- remote);
- of_node_put(remote);
- continue;
- }
-
- drm_of_component_match_add(dev, match, compare_of, remote);
+ if (remote && of_device_is_available(remote))
+ drm_of_component_match_add(dev, match, compare_of,
+ remote);
of_node_put(remote);
}
}
@@ -228,7 +230,6 @@ static int armada_drm_probe(struct platform_device *pdev)
if (dev->platform_data) {
char **devices = dev->platform_data;
- struct device_node *port;
struct device *d;
int i;
@@ -244,10 +245,8 @@ static int armada_drm_probe(struct platform_device *pdev)
for (i = 0; devices[i]; i++) {
d = bus_find_device_by_name(&platform_bus_type, NULL,
devices[i]);
- if (d && d->of_node) {
- for_each_child_of_node(d->of_node, port)
- armada_add_endpoints(dev, &match, port);
- }
+ if (d && d->of_node)
+ armada_add_endpoints(dev, &match, d->of_node);
put_device(d);
}
}
diff --git a/drivers/gpu/drm/armada/armada_fb.c b/drivers/gpu/drm/armada/armada_fb.c
index a2f6472eb482..de030cb0aa90 100644
--- a/drivers/gpu/drm/armada/armada_fb.c
+++ b/drivers/gpu/drm/armada/armada_fb.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2012 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <drm/drm_modeset_helper.h>
#include <drm/drm_fb_helper.h>
diff --git a/drivers/gpu/drm/armada/armada_fb.h b/drivers/gpu/drm/armada/armada_fb.h
index 476daad0a36a..7dda5f2a0af4 100644
--- a/drivers/gpu/drm/armada/armada_fb.h
+++ b/drivers/gpu/drm/armada/armada_fb.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2012 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef ARMADA_FB_H
#define ARMADA_FB_H
diff --git a/drivers/gpu/drm/armada/armada_fbdev.c b/drivers/gpu/drm/armada/armada_fbdev.c
index 1e7140f005a5..096aff530b01 100644
--- a/drivers/gpu/drm/armada/armada_fbdev.c
+++ b/drivers/gpu/drm/armada/armada_fbdev.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2012 Russell King
* Written from the i915 driver.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/errno.h>
#include <linux/kernel.h>
diff --git a/drivers/gpu/drm/armada/armada_gem.c b/drivers/gpu/drm/armada/armada_gem.c
index 7e7fcc3f1f7f..60c509784fa3 100644
--- a/drivers/gpu/drm/armada/armada_gem.c
+++ b/drivers/gpu/drm/armada/armada_gem.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2012 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/dma-buf.h>
#include <linux/dma-mapping.h>
diff --git a/drivers/gpu/drm/armada/armada_gem.h b/drivers/gpu/drm/armada/armada_gem.h
index c619381eeeff..de04cc2c8f0e 100644
--- a/drivers/gpu/drm/armada/armada_gem.h
+++ b/drivers/gpu/drm/armada/armada_gem.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2012 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef ARMADA_GEM_H
#define ARMADA_GEM_H
diff --git a/drivers/gpu/drm/armada/armada_hw.h b/drivers/gpu/drm/armada/armada_hw.h
index 277580b36758..9c88b38a4003 100644
--- a/drivers/gpu/drm/armada/armada_hw.h
+++ b/drivers/gpu/drm/armada/armada_hw.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2012 Russell King
* Rewritten from the dovefb driver, and Armada510 manuals.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef ARMADA_HW_H
#define ARMADA_HW_H
@@ -88,6 +85,16 @@ enum {
ADV_VSYNC_H_OFF = 0xfff << 0,
};
+/* LCD_CFG_RDREG4F - Armada 510 only */
+enum {
+ CFG_SRAM_WAIT = BIT(11),
+ CFG_SMPN_FASTTX = BIT(10),
+ CFG_DMA_ARB = BIT(9),
+ CFG_DMA_WM_EN = BIT(8),
+ CFG_DMA_WM_MASK = 0xff,
+#define CFG_DMA_WM(x) ((x) & CFG_DMA_WM_MASK)
+};
+
enum {
CFG_565 = 0,
CFG_1555 = 1,
@@ -169,6 +176,10 @@ enum {
SRAM_READ = 0 << 14,
SRAM_WRITE = 2 << 14,
SRAM_INIT = 3 << 14,
+ SRAM_GAMMA_YR = 0x0 << 8,
+ SRAM_GAMMA_UG = 0x1 << 8,
+ SRAM_GAMMA_VB = 0x2 << 8,
+ SRAM_PALETTE = 0x3 << 8,
SRAM_HWC32_RAM1 = 0xc << 8,
SRAM_HWC32_RAM2 = 0xd << 8,
SRAM_HWC32_RAMR = SRAM_HWC32_RAM1,
@@ -316,19 +327,4 @@ enum {
PWRDN_IRQ_LEVEL = 1 << 0,
};
-static inline u32 armada_rect_hw_fp(struct drm_rect *r)
-{
- return (drm_rect_height(r) & 0xffff0000) | drm_rect_width(r) >> 16;
-}
-
-static inline u32 armada_rect_hw(struct drm_rect *r)
-{
- return drm_rect_height(r) << 16 | (drm_rect_width(r) & 0x0000ffff);
-}
-
-static inline u32 armada_rect_yx(struct drm_rect *r)
-{
- return (r)->y1 << 16 | ((r)->x1 & 0x0000ffff);
-}
-
#endif
diff --git a/drivers/gpu/drm/armada/armada_ioctlP.h b/drivers/gpu/drm/armada/armada_ioctlP.h
index bd8c4562066c..c266a01d697c 100644
--- a/drivers/gpu/drm/armada/armada_ioctlP.h
+++ b/drivers/gpu/drm/armada/armada_ioctlP.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2012 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef ARMADA_IOCTLP_H
#define ARMADA_IOCTLP_H
diff --git a/drivers/gpu/drm/armada/armada_overlay.c b/drivers/gpu/drm/armada/armada_overlay.c
index 8d770641fcc4..e8060216b389 100644
--- a/drivers/gpu/drm/armada/armada_overlay.c
+++ b/drivers/gpu/drm/armada/armada_overlay.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2012 Russell King
* Rewritten from the dovefb driver, and Armada510 manuals.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <drm/drmP.h>
#include <drm/drm_atomic.h>
@@ -27,7 +24,7 @@
#define DEFAULT_ENCODING DRM_COLOR_YCBCR_BT601
struct armada_overlay_state {
- struct drm_plane_state base;
+ struct armada_plane_state base;
u32 colorkey_yr;
u32 colorkey_ug;
u32 colorkey_vb;
@@ -38,7 +35,7 @@ struct armada_overlay_state {
u16 saturation;
};
#define drm_to_overlay_state(s) \
- container_of(s, struct armada_overlay_state, base)
+ container_of(s, struct armada_overlay_state, base.base)
static inline u32 armada_spu_contrast(struct drm_plane_state *state)
{
@@ -94,41 +91,39 @@ static void armada_drm_overlay_plane_atomic_update(struct drm_plane *plane,
armada_reg_queue_mod(regs, idx,
0, CFG_PDWN16x66 | CFG_PDWN32x66,
LCD_SPU_SRAM_PARA1);
- val = armada_rect_hw_fp(&state->src);
- if (armada_rect_hw_fp(&old_state->src) != val)
+ val = armada_src_hw(state);
+ if (armada_src_hw(old_state) != val)
armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_HPXL_VLN);
- val = armada_rect_yx(&state->dst);
- if (armada_rect_yx(&old_state->dst) != val)
+ val = armada_dst_yx(state);
+ if (armada_dst_yx(old_state) != val)
armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_OVSA_HPXL_VLN);
- val = armada_rect_hw(&state->dst);
- if (armada_rect_hw(&old_state->dst) != val)
+ val = armada_dst_hw(state);
+ if (armada_dst_hw(old_state) != val)
armada_reg_queue_set(regs, idx, val, LCD_SPU_DZM_HPXL_VLN);
/* FIXME: overlay on an interlaced display */
if (old_state->src.x1 != state->src.x1 ||
old_state->src.y1 != state->src.y1 ||
- old_state->fb != state->fb) {
+ old_state->fb != state->fb ||
+ state->crtc->state->mode_changed) {
const struct drm_format_info *format;
- u16 src_x, pitches[3];
- u32 addrs[2][3];
+ u16 src_x;
- armada_drm_plane_calc(state, addrs, pitches, false);
-
- armada_reg_queue_set(regs, idx, addrs[0][0],
+ armada_reg_queue_set(regs, idx, armada_addr(state, 0, 0),
LCD_SPU_DMA_START_ADDR_Y0);
- armada_reg_queue_set(regs, idx, addrs[0][1],
+ armada_reg_queue_set(regs, idx, armada_addr(state, 0, 1),
LCD_SPU_DMA_START_ADDR_U0);
- armada_reg_queue_set(regs, idx, addrs[0][2],
+ armada_reg_queue_set(regs, idx, armada_addr(state, 0, 2),
LCD_SPU_DMA_START_ADDR_V0);
- armada_reg_queue_set(regs, idx, addrs[1][0],
+ armada_reg_queue_set(regs, idx, armada_addr(state, 1, 0),
LCD_SPU_DMA_START_ADDR_Y1);
- armada_reg_queue_set(regs, idx, addrs[1][1],
+ armada_reg_queue_set(regs, idx, armada_addr(state, 1, 1),
LCD_SPU_DMA_START_ADDR_U1);
- armada_reg_queue_set(regs, idx, addrs[1][2],
+ armada_reg_queue_set(regs, idx, armada_addr(state, 1, 2),
LCD_SPU_DMA_START_ADDR_V1);
- val = pitches[0] << 16 | pitches[0];
+ val = armada_pitch(state, 0) << 16 | armada_pitch(state, 0);
armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_PITCH_YC);
- val = pitches[1] << 16 | pitches[2];
+ val = armada_pitch(state, 1) << 16 | armada_pitch(state, 2);
armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_PITCH_UV);
cfg = CFG_DMA_FMT(drm_fb_to_armada_fb(state->fb)->fmt) |
@@ -146,6 +141,8 @@ static void armada_drm_overlay_plane_atomic_update(struct drm_plane *plane,
src_x = state->src.x1 >> 16;
if (format->num_planes == 1 && src_x & (format->hsub - 1))
cfg ^= CFG_DMA_MOD(CFG_SWAPUV);
+ if (to_armada_plane_state(state)->interlace)
+ cfg |= CFG_DMA_FTOGGLE;
cfg_mask = CFG_CBSH_ENA | CFG_DMAFORMAT |
CFG_DMA_MOD(CFG_SWAPRB | CFG_SWAPUV |
CFG_SWAPYU | CFG_YUV2RGB) |
@@ -307,13 +304,10 @@ static void armada_overlay_reset(struct drm_plane *plane)
if (plane->state)
__drm_atomic_helper_plane_destroy_state(plane->state);
kfree(plane->state);
+ plane->state = NULL;
state = kzalloc(sizeof(*state), GFP_KERNEL);
if (state) {
- state->base.plane = plane;
- state->base.color_encoding = DEFAULT_ENCODING;
- state->base.color_range = DRM_COLOR_YCBCR_LIMITED_RANGE;
- state->base.rotation = DRM_MODE_ROTATE_0;
state->colorkey_yr = 0xfefefe00;
state->colorkey_ug = 0x01010100;
state->colorkey_vb = 0x01010100;
@@ -323,8 +317,10 @@ static void armada_overlay_reset(struct drm_plane *plane)
state->brightness = DEFAULT_BRIGHTNESS;
state->contrast = DEFAULT_CONTRAST;
state->saturation = DEFAULT_SATURATION;
+ __drm_atomic_helper_plane_reset(plane, &state->base.base);
+ state->base.base.color_encoding = DEFAULT_ENCODING;
+ state->base.base.color_range = DRM_COLOR_YCBCR_LIMITED_RANGE;
}
- plane->state = &state->base;
}
struct drm_plane_state *
@@ -337,8 +333,9 @@ armada_overlay_duplicate_state(struct drm_plane *plane)
state = kmemdup(plane->state, sizeof(*state), GFP_KERNEL);
if (state)
- __drm_atomic_helper_plane_duplicate_state(plane, &state->base);
- return &state->base;
+ __drm_atomic_helper_plane_duplicate_state(plane,
+ &state->base.base);
+ return &state->base.base;
}
static int armada_overlay_set_property(struct drm_plane *plane,
diff --git a/drivers/gpu/drm/armada/armada_plane.c b/drivers/gpu/drm/armada/armada_plane.c
index 9f36423dd394..f08b4f37816d 100644
--- a/drivers/gpu/drm/armada/armada_plane.c
+++ b/drivers/gpu/drm/armada/armada_plane.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2012 Russell King
* Rewritten from the dovefb driver, and Armada510 manuals.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <drm/drmP.h>
#include <drm/drm_atomic.h>
@@ -79,23 +76,6 @@ void armada_drm_plane_calc(struct drm_plane_state *state, u32 addrs[2][3],
}
}
-static unsigned armada_drm_crtc_calc_fb(struct drm_plane_state *state,
- struct armada_regs *regs, bool interlaced)
-{
- u16 pitches[3];
- u32 addrs[2][3];
- unsigned i = 0;
-
- armada_drm_plane_calc(state, addrs, pitches, interlaced);
-
- /* write offset, base, and pitch */
- armada_reg_queue_set(regs, i, addrs[0][0], LCD_CFG_GRA_START_ADDR0);
- armada_reg_queue_set(regs, i, addrs[1][0], LCD_CFG_GRA_START_ADDR1);
- armada_reg_queue_mod(regs, i, pitches[0], 0xffff, LCD_CFG_GRA_PITCH);
-
- return i;
-}
-
int armada_drm_plane_prepare_fb(struct drm_plane *plane,
struct drm_plane_state *state)
{
@@ -126,20 +106,50 @@ void armada_drm_plane_cleanup_fb(struct drm_plane *plane,
int armada_drm_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state)
{
- if (state->fb && !WARN_ON(!state->crtc)) {
- struct drm_crtc *crtc = state->crtc;
- struct drm_crtc_state *crtc_state;
-
- if (state->state)
- crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc);
- else
- crtc_state = crtc->state;
- return drm_atomic_helper_check_plane_state(state, crtc_state,
- 0, INT_MAX,
- true, false);
- } else {
+ struct armada_plane_state *st = to_armada_plane_state(state);
+ struct drm_crtc *crtc = state->crtc;
+ struct drm_crtc_state *crtc_state;
+ bool interlace;
+ int ret;
+
+ if (!state->fb || WARN_ON(!state->crtc)) {
state->visible = false;
+ return 0;
+ }
+
+ if (state->state)
+ crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc);
+ else
+ crtc_state = crtc->state;
+
+ ret = drm_atomic_helper_check_plane_state(state, crtc_state, 0,
+ INT_MAX, true, false);
+ if (ret)
+ return ret;
+
+ interlace = crtc_state->adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE;
+ if (interlace) {
+ if ((state->dst.y1 | state->dst.y2) & 1)
+ return -EINVAL;
+ st->src_hw = drm_rect_height(&state->src) >> 17;
+ st->dst_yx = state->dst.y1 >> 1;
+ st->dst_hw = drm_rect_height(&state->dst) >> 1;
+ } else {
+ st->src_hw = drm_rect_height(&state->src) >> 16;
+ st->dst_yx = state->dst.y1;
+ st->dst_hw = drm_rect_height(&state->dst);
}
+
+ st->src_hw <<= 16;
+ st->src_hw |= drm_rect_width(&state->src) >> 16;
+ st->dst_yx <<= 16;
+ st->dst_yx |= state->dst.x1 & 0x0000ffff;
+ st->dst_hw <<= 16;
+ st->dst_hw |= drm_rect_width(&state->dst) & 0x0000ffff;
+
+ armada_drm_plane_calc(state, st->addrs, st->pitches, interlace);
+ st->interlace = interlace;
+
return 0;
}
@@ -173,21 +183,25 @@ static void armada_drm_primary_plane_atomic_update(struct drm_plane *plane,
val |= CFG_PDWN256x24;
armada_reg_queue_mod(regs, idx, 0, val, LCD_SPU_SRAM_PARA1);
}
- val = armada_rect_hw_fp(&state->src);
- if (armada_rect_hw_fp(&old_state->src) != val)
+ val = armada_src_hw(state);
+ if (armada_src_hw(old_state) != val)
armada_reg_queue_set(regs, idx, val, LCD_SPU_GRA_HPXL_VLN);
- val = armada_rect_yx(&state->dst);
- if (armada_rect_yx(&old_state->dst) != val)
+ val = armada_dst_yx(state);
+ if (armada_dst_yx(old_state) != val)
armada_reg_queue_set(regs, idx, val, LCD_SPU_GRA_OVSA_HPXL_VLN);
- val = armada_rect_hw(&state->dst);
- if (armada_rect_hw(&old_state->dst) != val)
+ val = armada_dst_hw(state);
+ if (armada_dst_hw(old_state) != val)
armada_reg_queue_set(regs, idx, val, LCD_SPU_GZM_HPXL_VLN);
if (old_state->src.x1 != state->src.x1 ||
old_state->src.y1 != state->src.y1 ||
old_state->fb != state->fb ||
state->crtc->state->mode_changed) {
- idx += armada_drm_crtc_calc_fb(state, regs + idx,
- dcrtc->interlaced);
+ armada_reg_queue_set(regs, idx, armada_addr(state, 0, 0),
+ LCD_CFG_GRA_START_ADDR0);
+ armada_reg_queue_set(regs, idx, armada_addr(state, 1, 0),
+ LCD_CFG_GRA_START_ADDR1);
+ armada_reg_queue_mod(regs, idx, armada_pitch(state, 0), 0xffff,
+ LCD_CFG_GRA_PITCH);
}
if (old_state->fb != state->fb ||
state->crtc->state->mode_changed) {
@@ -197,7 +211,7 @@ static void armada_drm_primary_plane_atomic_update(struct drm_plane *plane,
cfg |= CFG_PALETTE_ENA;
if (state->visible)
cfg |= CFG_GRA_ENA;
- if (dcrtc->interlaced)
+ if (to_armada_plane_state(state)->interlace)
cfg |= CFG_GRA_FTOGGLE;
cfg_mask = CFG_GRAFORMAT |
CFG_GRA_MOD(CFG_SWAPRB | CFG_SWAPUV |
@@ -248,7 +262,7 @@ static void armada_drm_primary_plane_atomic_disable(struct drm_plane *plane,
/* Disable plane and power down most RAMs and FIFOs */
armada_reg_queue_mod(regs, idx, 0, CFG_GRA_ENA, LCD_SPU_DMA_CTRL0);
armada_reg_queue_mod(regs, idx, CFG_PDWN256x32 | CFG_PDWN256x24 |
- CFG_PDWN256x8 | CFG_PDWN32x32 | CFG_PDWN64x66,
+ CFG_PDWN32x32 | CFG_PDWN64x66,
0, LCD_SPU_SRAM_PARA1);
dcrtc->regs_idx += idx;
@@ -262,12 +276,37 @@ static const struct drm_plane_helper_funcs armada_primary_plane_helper_funcs = {
.atomic_disable = armada_drm_primary_plane_atomic_disable,
};
+void armada_plane_reset(struct drm_plane *plane)
+{
+ struct armada_plane_state *st;
+ if (plane->state)
+ __drm_atomic_helper_plane_destroy_state(plane->state);
+ kfree(plane->state);
+ st = kzalloc(sizeof(*st), GFP_KERNEL);
+ if (st)
+ __drm_atomic_helper_plane_reset(plane, &st->base);
+}
+
+struct drm_plane_state *armada_plane_duplicate_state(struct drm_plane *plane)
+{
+ struct armada_plane_state *st;
+
+ if (WARN_ON(!plane->state))
+ return NULL;
+
+ st = kmemdup(plane->state, sizeof(*st), GFP_KERNEL);
+ if (st)
+ __drm_atomic_helper_plane_duplicate_state(plane, &st->base);
+
+ return &st->base;
+}
+
static const struct drm_plane_funcs armada_primary_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
.destroy = drm_primary_helper_destroy,
- .reset = drm_atomic_helper_plane_reset,
- .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
+ .reset = armada_plane_reset,
+ .atomic_duplicate_state = armada_plane_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
};
diff --git a/drivers/gpu/drm/armada/armada_plane.h b/drivers/gpu/drm/armada/armada_plane.h
index ff4281ba7fad..2707ec781941 100644
--- a/drivers/gpu/drm/armada/armada_plane.h
+++ b/drivers/gpu/drm/armada/armada_plane.h
@@ -1,6 +1,24 @@
#ifndef ARMADA_PLANE_H
#define ARMADA_PLANE_H
+struct armada_plane_state {
+ struct drm_plane_state base;
+ u32 src_hw;
+ u32 dst_yx;
+ u32 dst_hw;
+ u32 addrs[2][3];
+ u16 pitches[3];
+ bool interlace;
+};
+
+#define to_armada_plane_state(st) \
+ container_of(st, struct armada_plane_state, base)
+#define armada_src_hw(state) to_armada_plane_state(state)->src_hw
+#define armada_dst_yx(state) to_armada_plane_state(state)->dst_yx
+#define armada_dst_hw(state) to_armada_plane_state(state)->dst_hw
+#define armada_addr(state, f, p) to_armada_plane_state(state)->addrs[f][p]
+#define armada_pitch(state, n) to_armada_plane_state(state)->pitches[n]
+
void armada_drm_plane_calc(struct drm_plane_state *state, u32 addrs[2][3],
u16 pitches[3], bool interlaced);
int armada_drm_plane_prepare_fb(struct drm_plane *plane,
@@ -9,6 +27,11 @@ void armada_drm_plane_cleanup_fb(struct drm_plane *plane,
struct drm_plane_state *old_state);
int armada_drm_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state);
+void armada_plane_reset(struct drm_plane *plane);
+struct drm_plane_state *armada_plane_duplicate_state(struct drm_plane *plane);
+void armada_plane_destroy_state(struct drm_plane *plane,
+ struct drm_plane_state *state);
+
int armada_drm_primary_plane_init(struct drm_device *drm,
struct drm_plane *primary);