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authorDave Airlie <airlied@redhat.com>2020-11-10 17:48:47 +1000
committerDave Airlie <airlied@redhat.com>2020-11-10 17:48:47 +1000
commit5b8c596976d4338942dd889b66cd06dc766424e1 (patch)
tree0fdcc1cc3c51daaf39400f72caf4f10d99d43541 /drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
parentc0f98d2f8b076bf3e3183aa547395f919c943a14 (diff)
parent514ad1b6bb6e2fa205b5511bd3d50e33457f6180 (diff)
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Merge tag 'amd-drm-next-5.11-2020-11-05' of git://people.freedesktop.org/~agd5f/linux into drm-next
amd-drm-next-5.11-2020-11-05: amdgpu: - Add initial support for Vangogh - Add support for Green Sardine - Add initial support for Dimgrey Cavefish - Scatter/Gather display support for Renoir - Updates for Sienna Cichlid - Updates for Navy Flounder - SMU7 power improvements - Modifier support for gfx9+ - CI BACO fixes - Arcturus SMU fixes - Lots of code cleanups - DC fixes - Kernel doc fixes - Add more GPU HW client information to page fault error logging - MPO clock tuning for RV - FP fixes for DCN3 on ARM and PPC radeon: - Expose voltage via hwmon on Sumo APUs amdkfd: - Fix unique id handling - Misc fixes From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201105222749.201798-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_display.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_display.c173
1 files changed, 170 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index b25faaee6f0e..2e8a8b57639f 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,
@@ -524,6 +525,10 @@ 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:
+ domain |= AMDGPU_GEM_DOMAIN_GTT;
+ break;
+
default:
break;
}
@@ -533,6 +538,154 @@ uint32_t amdgpu_display_supported_domains(struct amdgpu_device *adev,
return domain;
}
+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;
+ 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,
+ ilog2(adev->gfx.config.gb_addr_config_fields.num_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,
+ ilog2(adev->gfx.config.gb_addr_config_fields.num_pipes));
+ break;
+ case AMD_FMT_MOD_TILE_VER_GFX9:
+ pipe_xor_bits = min(block_size_bits - 8,
+ ilog2(adev->gfx.config.gb_addr_config_fields.num_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;
+
+ /* 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;
+ }
+ }
+
+ 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,
@@ -542,11 +695,25 @@ int amdgpu_display_framebuffer_init(struct drm_device *dev,
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;
+
+ 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)
+ goto fail;
}
+
return 0;
+
+fail:
+ rfb->base.obj[0] = NULL;
+ return ret;
}
struct drm_framebuffer *