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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_display.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_display.c404
1 files changed, 386 insertions, 18 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index 7cc7af2a6822..f764803c53a4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -38,6 +38,7 @@
#include <drm/drm_edid.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_fb_helper.h>
+#include <drm/drm_fourcc.h>
#include <drm/drm_vblank.h>
static void amdgpu_display_flip_callback(struct dma_fence *f,
@@ -132,10 +133,7 @@ static void amdgpu_display_unpin_work_func(struct work_struct *__work)
/* unpin of the old buffer */
r = amdgpu_bo_reserve(work->old_abo, true);
if (likely(r == 0)) {
- r = amdgpu_bo_unpin(work->old_abo);
- if (unlikely(r != 0)) {
- DRM_ERROR("failed to unpin buffer after flip\n");
- }
+ amdgpu_bo_unpin(work->old_abo);
amdgpu_bo_unreserve(work->old_abo);
} else
DRM_ERROR("failed to reserve buffer after flip\n");
@@ -249,8 +247,7 @@ pflip_cleanup:
}
unpin:
if (!adev->enable_virtual_display)
- if (unlikely(amdgpu_bo_unpin(new_abo) != 0))
- DRM_ERROR("failed to unpin new abo in error path\n");
+ amdgpu_bo_unpin(new_abo);
unreserve:
amdgpu_bo_unreserve(new_abo);
@@ -444,10 +441,6 @@ void amdgpu_display_print_display_setup(struct drm_device *dev)
drm_connector_list_iter_end(&iter);
}
-/**
- * amdgpu_display_ddc_probe
- *
- */
bool amdgpu_display_ddc_probe(struct amdgpu_connector *amdgpu_connector,
bool use_aux)
{
@@ -512,7 +505,7 @@ uint32_t amdgpu_display_supported_domains(struct amdgpu_device *adev,
* to avoid hang caused by placement of scanout BO in GTT on certain
* APUs. So force the BO placement to VRAM in case this architecture
* will not allow USWC mappings.
- * Also, don't allow GTT domain if the BO doens't have USWC falg set.
+ * Also, don't allow GTT domain if the BO doesn't have USWC flag set.
*/
if ((bo_flags & AMDGPU_GEM_CREATE_CPU_GTT_USWC) &&
amdgpu_bo_support_uswc(bo_flags) &&
@@ -528,6 +521,11 @@ uint32_t amdgpu_display_supported_domains(struct amdgpu_device *adev,
(adev->apu_flags & AMD_APU_IS_PICASSO))
domain |= AMDGPU_GEM_DOMAIN_GTT;
break;
+ case CHIP_RENOIR:
+ case CHIP_VANGOGH:
+ domain |= AMDGPU_GEM_DOMAIN_GTT;
+ break;
+
default:
break;
}
@@ -537,20 +535,390 @@ uint32_t amdgpu_display_supported_domains(struct amdgpu_device *adev,
return domain;
}
+static const struct drm_format_info dcc_formats[] = {
+ { .format = DRM_FORMAT_XRGB8888, .depth = 24, .num_planes = 2,
+ .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, },
+ { .format = DRM_FORMAT_XBGR8888, .depth = 24, .num_planes = 2,
+ .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, },
+ { .format = DRM_FORMAT_ARGB8888, .depth = 32, .num_planes = 2,
+ .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1,
+ .has_alpha = true, },
+ { .format = DRM_FORMAT_ABGR8888, .depth = 32, .num_planes = 2,
+ .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1,
+ .has_alpha = true, },
+ { .format = DRM_FORMAT_BGRA8888, .depth = 32, .num_planes = 2,
+ .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1,
+ .has_alpha = true, },
+ { .format = DRM_FORMAT_XRGB2101010, .depth = 30, .num_planes = 2,
+ .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, },
+ { .format = DRM_FORMAT_XBGR2101010, .depth = 30, .num_planes = 2,
+ .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, },
+ { .format = DRM_FORMAT_ARGB2101010, .depth = 30, .num_planes = 2,
+ .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1,
+ .has_alpha = true, },
+ { .format = DRM_FORMAT_ABGR2101010, .depth = 30, .num_planes = 2,
+ .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1,
+ .has_alpha = true, },
+ { .format = DRM_FORMAT_RGB565, .depth = 16, .num_planes = 2,
+ .cpp = { 2, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, },
+};
+
+static const struct drm_format_info dcc_retile_formats[] = {
+ { .format = DRM_FORMAT_XRGB8888, .depth = 24, .num_planes = 3,
+ .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, },
+ { .format = DRM_FORMAT_XBGR8888, .depth = 24, .num_planes = 3,
+ .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, },
+ { .format = DRM_FORMAT_ARGB8888, .depth = 32, .num_planes = 3,
+ .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1,
+ .has_alpha = true, },
+ { .format = DRM_FORMAT_ABGR8888, .depth = 32, .num_planes = 3,
+ .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1,
+ .has_alpha = true, },
+ { .format = DRM_FORMAT_BGRA8888, .depth = 32, .num_planes = 3,
+ .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1,
+ .has_alpha = true, },
+ { .format = DRM_FORMAT_XRGB2101010, .depth = 30, .num_planes = 3,
+ .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, },
+ { .format = DRM_FORMAT_XBGR2101010, .depth = 30, .num_planes = 3,
+ .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, },
+ { .format = DRM_FORMAT_ARGB2101010, .depth = 30, .num_planes = 3,
+ .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1,
+ .has_alpha = true, },
+ { .format = DRM_FORMAT_ABGR2101010, .depth = 30, .num_planes = 3,
+ .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1,
+ .has_alpha = true, },
+ { .format = DRM_FORMAT_RGB565, .depth = 16, .num_planes = 3,
+ .cpp = { 2, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, },
+};
+
+static const struct drm_format_info *
+lookup_format_info(const struct drm_format_info formats[],
+ int num_formats, u32 format)
+{
+ int i;
+
+ for (i = 0; i < num_formats; i++) {
+ if (formats[i].format == format)
+ return &formats[i];
+ }
+
+ return NULL;
+}
+
+const struct drm_format_info *
+amdgpu_lookup_format_info(u32 format, uint64_t modifier)
+{
+ if (!IS_AMD_FMT_MOD(modifier))
+ return NULL;
+
+ if (AMD_FMT_MOD_GET(DCC_RETILE, modifier))
+ return lookup_format_info(dcc_retile_formats,
+ ARRAY_SIZE(dcc_retile_formats),
+ format);
+
+ if (AMD_FMT_MOD_GET(DCC, modifier))
+ return lookup_format_info(dcc_formats, ARRAY_SIZE(dcc_formats),
+ format);
+
+ /* returning NULL will cause the default format structs to be used. */
+ return NULL;
+}
+
+
+/*
+ * Tries to extract the renderable DCC offset from the opaque metadata attached
+ * to the buffer.
+ */
+static int
+extract_render_dcc_offset(struct amdgpu_device *adev,
+ struct drm_gem_object *obj,
+ uint64_t *offset)
+{
+ struct amdgpu_bo *rbo;
+ int r = 0;
+ uint32_t metadata[10]; /* Something that fits a descriptor + header. */
+ uint32_t size;
+
+ rbo = gem_to_amdgpu_bo(obj);
+ r = amdgpu_bo_reserve(rbo, false);
+
+ if (unlikely(r)) {
+ /* Don't show error message when returning -ERESTARTSYS */
+ if (r != -ERESTARTSYS)
+ DRM_ERROR("Unable to reserve buffer: %d\n", r);
+ return r;
+ }
+
+ r = amdgpu_bo_get_metadata(rbo, metadata, sizeof(metadata), &size, NULL);
+ amdgpu_bo_unreserve(rbo);
+
+ if (r)
+ return r;
+
+ /*
+ * The first word is the metadata version, and we need space for at least
+ * the version + pci vendor+device id + 8 words for a descriptor.
+ */
+ if (size < 40 || metadata[0] != 1)
+ return -EINVAL;
+
+ if (adev->family >= AMDGPU_FAMILY_NV) {
+ /* resource word 6/7 META_DATA_ADDRESS{_LO} */
+ *offset = ((u64)metadata[9] << 16u) |
+ ((metadata[8] & 0xFF000000u) >> 16);
+ } else {
+ /* resource word 5/7 META_DATA_ADDRESS */
+ *offset = ((u64)metadata[9] << 8u) |
+ ((u64)(metadata[7] & 0x1FE0000u) << 23);
+ }
+
+ return 0;
+}
+
+static int convert_tiling_flags_to_modifier(struct amdgpu_framebuffer *afb)
+{
+ struct amdgpu_device *adev = drm_to_adev(afb->base.dev);
+ uint64_t modifier = 0;
+
+ if (!afb->tiling_flags || !AMDGPU_TILING_GET(afb->tiling_flags, SWIZZLE_MODE)) {
+ modifier = DRM_FORMAT_MOD_LINEAR;
+ } else {
+ int swizzle = AMDGPU_TILING_GET(afb->tiling_flags, SWIZZLE_MODE);
+ bool has_xor = swizzle >= 16;
+ int block_size_bits;
+ int version;
+ int pipe_xor_bits = 0;
+ int bank_xor_bits = 0;
+ int packers = 0;
+ int rb = 0;
+ int pipes = ilog2(adev->gfx.config.gb_addr_config_fields.num_pipes);
+ uint32_t dcc_offset = AMDGPU_TILING_GET(afb->tiling_flags, DCC_OFFSET_256B);
+
+ switch (swizzle >> 2) {
+ case 0: /* 256B */
+ block_size_bits = 8;
+ break;
+ case 1: /* 4KiB */
+ case 5: /* 4KiB _X */
+ block_size_bits = 12;
+ break;
+ case 2: /* 64KiB */
+ case 4: /* 64 KiB _T */
+ case 6: /* 64 KiB _X */
+ block_size_bits = 16;
+ break;
+ default:
+ /* RESERVED or VAR */
+ return -EINVAL;
+ }
+
+ if (adev->asic_type >= CHIP_SIENNA_CICHLID)
+ version = AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS;
+ else if (adev->family == AMDGPU_FAMILY_NV)
+ version = AMD_FMT_MOD_TILE_VER_GFX10;
+ else
+ version = AMD_FMT_MOD_TILE_VER_GFX9;
+
+ switch (swizzle & 3) {
+ case 0: /* Z microtiling */
+ return -EINVAL;
+ case 1: /* S microtiling */
+ if (!has_xor)
+ version = AMD_FMT_MOD_TILE_VER_GFX9;
+ break;
+ case 2:
+ if (!has_xor && afb->base.format->cpp[0] != 4)
+ version = AMD_FMT_MOD_TILE_VER_GFX9;
+ break;
+ case 3:
+ break;
+ }
+
+ if (has_xor) {
+ switch (version) {
+ case AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS:
+ pipe_xor_bits = min(block_size_bits - 8, pipes);
+ packers = min(block_size_bits - 8 - pipe_xor_bits,
+ ilog2(adev->gfx.config.gb_addr_config_fields.num_pkrs));
+ break;
+ case AMD_FMT_MOD_TILE_VER_GFX10:
+ pipe_xor_bits = min(block_size_bits - 8, pipes);
+ break;
+ case AMD_FMT_MOD_TILE_VER_GFX9:
+ rb = ilog2(adev->gfx.config.gb_addr_config_fields.num_se) +
+ ilog2(adev->gfx.config.gb_addr_config_fields.num_rb_per_se);
+ pipe_xor_bits = min(block_size_bits - 8, pipes +
+ ilog2(adev->gfx.config.gb_addr_config_fields.num_se));
+ bank_xor_bits = min(block_size_bits - 8 - pipe_xor_bits,
+ ilog2(adev->gfx.config.gb_addr_config_fields.num_banks));
+ break;
+ }
+ }
+
+ modifier = AMD_FMT_MOD |
+ AMD_FMT_MOD_SET(TILE, AMDGPU_TILING_GET(afb->tiling_flags, SWIZZLE_MODE)) |
+ AMD_FMT_MOD_SET(TILE_VERSION, version) |
+ AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
+ AMD_FMT_MOD_SET(BANK_XOR_BITS, bank_xor_bits) |
+ AMD_FMT_MOD_SET(PACKERS, packers);
+
+ if (dcc_offset != 0) {
+ bool dcc_i64b = AMDGPU_TILING_GET(afb->tiling_flags, DCC_INDEPENDENT_64B) != 0;
+ bool dcc_i128b = version >= AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS;
+ const struct drm_format_info *format_info;
+ u64 render_dcc_offset;
+
+ /* Enable constant encode on RAVEN2 and later. */
+ bool dcc_constant_encode = adev->asic_type > CHIP_RAVEN ||
+ (adev->asic_type == CHIP_RAVEN &&
+ adev->external_rev_id >= 0x81);
+
+ int max_cblock_size = dcc_i64b ? AMD_FMT_MOD_DCC_BLOCK_64B :
+ dcc_i128b ? AMD_FMT_MOD_DCC_BLOCK_128B :
+ AMD_FMT_MOD_DCC_BLOCK_256B;
+
+ modifier |= AMD_FMT_MOD_SET(DCC, 1) |
+ AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, dcc_constant_encode) |
+ AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, dcc_i64b) |
+ AMD_FMT_MOD_SET(DCC_INDEPENDENT_128B, dcc_i128b) |
+ AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, max_cblock_size);
+
+ afb->base.offsets[1] = dcc_offset * 256 + afb->base.offsets[0];
+ afb->base.pitches[1] =
+ AMDGPU_TILING_GET(afb->tiling_flags, DCC_PITCH_MAX) + 1;
+
+ /*
+ * If the userspace driver uses retiling the tiling flags do not contain
+ * info on the renderable DCC buffer. Luckily the opaque metadata contains
+ * the info so we can try to extract it. The kernel does not use this info
+ * but we should convert it to a modifier plane for getfb2, so the
+ * userspace driver that gets it doesn't have to juggle around another DCC
+ * plane internally.
+ */
+ if (extract_render_dcc_offset(adev, afb->base.obj[0],
+ &render_dcc_offset) == 0 &&
+ render_dcc_offset != 0 &&
+ render_dcc_offset != afb->base.offsets[1] &&
+ render_dcc_offset < UINT_MAX) {
+ uint32_t dcc_block_bits; /* of base surface data */
+
+ modifier |= AMD_FMT_MOD_SET(DCC_RETILE, 1);
+ afb->base.offsets[2] = render_dcc_offset;
+
+ if (adev->family >= AMDGPU_FAMILY_NV) {
+ int extra_pipe = 0;
+
+ if (adev->asic_type >= CHIP_SIENNA_CICHLID &&
+ pipes == packers && pipes > 1)
+ extra_pipe = 1;
+
+ dcc_block_bits = max(20, 16 + pipes + extra_pipe);
+ } else {
+ modifier |= AMD_FMT_MOD_SET(RB, rb) |
+ AMD_FMT_MOD_SET(PIPE, pipes);
+ dcc_block_bits = max(20, 18 + rb);
+ }
+
+ dcc_block_bits -= ilog2(afb->base.format->cpp[0]);
+ afb->base.pitches[2] = ALIGN(afb->base.width,
+ 1u << ((dcc_block_bits + 1) / 2));
+ }
+ format_info = amdgpu_lookup_format_info(afb->base.format->format,
+ modifier);
+ if (!format_info)
+ return -EINVAL;
+
+ afb->base.format = format_info;
+ }
+ }
+
+ afb->base.modifier = modifier;
+ afb->base.flags |= DRM_MODE_FB_MODIFIERS;
+ return 0;
+}
+
+static int amdgpu_display_get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb,
+ uint64_t *tiling_flags, bool *tmz_surface)
+{
+ struct amdgpu_bo *rbo;
+ int r;
+
+ if (!amdgpu_fb) {
+ *tiling_flags = 0;
+ *tmz_surface = false;
+ return 0;
+ }
+
+ rbo = gem_to_amdgpu_bo(amdgpu_fb->base.obj[0]);
+ r = amdgpu_bo_reserve(rbo, false);
+
+ if (unlikely(r)) {
+ /* Don't show error message when returning -ERESTARTSYS */
+ if (r != -ERESTARTSYS)
+ DRM_ERROR("Unable to reserve buffer: %d\n", r);
+ return r;
+ }
+
+ if (tiling_flags)
+ amdgpu_bo_get_tiling_flags(rbo, tiling_flags);
+
+ if (tmz_surface)
+ *tmz_surface = amdgpu_bo_encrypted(rbo);
+
+ amdgpu_bo_unreserve(rbo);
+
+ return r;
+}
+
int amdgpu_display_framebuffer_init(struct drm_device *dev,
struct amdgpu_framebuffer *rfb,
const struct drm_mode_fb_cmd2 *mode_cmd,
struct drm_gem_object *obj)
{
- int ret;
+ int ret, i;
rfb->base.obj[0] = obj;
drm_helper_mode_fill_fb_struct(dev, &rfb->base, mode_cmd);
ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs);
- if (ret) {
- rfb->base.obj[0] = NULL;
- return ret;
+ if (ret)
+ goto fail;
+
+ /*
+ * This needs to happen before modifier conversion as that might change
+ * the number of planes.
+ */
+ for (i = 1; i < rfb->base.format->num_planes; ++i) {
+ if (mode_cmd->handles[i] != mode_cmd->handles[0]) {
+ drm_dbg_kms(dev, "Plane 0 and %d have different BOs: %u vs. %u\n",
+ i, mode_cmd->handles[0], mode_cmd->handles[i]);
+ ret = -EINVAL;
+ goto fail;
+ }
+ }
+
+ ret = amdgpu_display_get_fb_info(rfb, &rfb->tiling_flags, &rfb->tmz_surface);
+ if (ret)
+ goto fail;
+
+ if (dev->mode_config.allow_fb_modifiers &&
+ !(rfb->base.flags & DRM_MODE_FB_MODIFIERS)) {
+ ret = convert_tiling_flags_to_modifier(rfb);
+ if (ret) {
+ drm_dbg_kms(dev, "Failed to convert tiling flags 0x%llX to a modifier",
+ rfb->tiling_flags);
+ goto fail;
+ }
+ }
+
+ for (i = 1; i < rfb->base.format->num_planes; ++i) {
+ rfb->base.obj[i] = rfb->base.obj[0];
+ drm_gem_object_get(rfb->base.obj[i]);
}
+
return 0;
+
+fail:
+ rfb->base.obj[0] = NULL;
+ return ret;
}
struct drm_framebuffer *
@@ -564,14 +932,14 @@ amdgpu_display_user_framebuffer_create(struct drm_device *dev,
obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
if (obj == NULL) {
- dev_err(&dev->pdev->dev, "No GEM object associated to handle 0x%08X, "
- "can't create framebuffer\n", mode_cmd->handles[0]);
+ drm_dbg_kms(dev, "No GEM object associated to handle 0x%08X, "
+ "can't create framebuffer\n", mode_cmd->handles[0]);
return ERR_PTR(-ENOENT);
}
/* Handle is imported dma-buf, so cannot be migrated to VRAM for scanout */
if (obj->import_attach) {
- DRM_DEBUG_KMS("Cannot create framebuffer from imported dma_buf\n");
+ drm_dbg_kms(dev, "Cannot create framebuffer from imported dma_buf\n");
return ERR_PTR(-EINVAL);
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-31 08:45:43 +0000