mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-21 10:01:00 +00:00
Code Issues Releases Wiki Activity

drm/amdgpu: handle gfx12 in amdgpu_display_verify_sizes

Browse source 
[ Upstream commit 8dd1426e2c ]

It verified GFX9-11 swizzle modes on GFX12, which has undefined behavior.

Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Marek Olšák 2024-06-01 19:53:01 -04:00 committed by Greg Kroah-Hartman
parent 5f2a2bf253
commit 302ba299c3
2 changed files with 28 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
View file

@ -1033,6 +1033,30 @@ static int amdgpu_display_verify_sizes(struct amdgpu_framebuffer *rfb)
block_width = 256 / format_info->cpp[i];
block_height = 1;
block_size_log2 = 8;
} else if (AMD_FMT_MOD_GET(TILE_VERSION, modifier) >= AMD_FMT_MOD_TILE_VER_GFX12) {
int swizzle = AMD_FMT_MOD_GET(TILE, modifier);
switch (swizzle) {
case AMD_FMT_MOD_TILE_GFX12_256B_2D:
block_size_log2 = 8;
break;
case AMD_FMT_MOD_TILE_GFX12_4K_2D:
block_size_log2 = 12;
break;
case AMD_FMT_MOD_TILE_GFX12_64K_2D:
block_size_log2 = 16;
break;
case AMD_FMT_MOD_TILE_GFX12_256K_2D:
block_size_log2 = 18;
break;
default:
drm_dbg_kms(rfb->base.dev,
"Gfx12 swizzle mode with unknown block size: %d\n", swizzle);
return -EINVAL;
}
get_block_dimensions(block_size_log2, format_info->cpp[i],
&block_width, &block_height);
} else {
int swizzle = AMD_FMT_MOD_GET(TILE, modifier);
@ -1068,7 +1092,8 @@ static int amdgpu_display_verify_sizes(struct amdgpu_framebuffer *rfb)
return ret;
}
if (AMD_FMT_MOD_GET(DCC, modifier)) {
if (AMD_FMT_MOD_GET(TILE_VERSION, modifier) <= AMD_FMT_MOD_TILE_VER_GFX11 &&
AMD_FMT_MOD_GET(DCC, modifier)) {
if (AMD_FMT_MOD_GET(DCC_RETILE, modifier)) {
block_size_log2 = get_dcc_block_size(modifier, false, false);
get_block_dimensions(block_size_log2 + 8, format_info->cpp[0],

2
include/uapi/drm/drm_fourcc.h
View file

@ -1504,6 +1504,8 @@ drm_fourcc_canonicalize_nvidia_format_mod(__u64 modifier)
* 6 - 64KB_3D
* 7 - 256KB_3D
*/
#define AMD_FMT_MOD_TILE_GFX12_256B_2D 1
#define AMD_FMT_MOD_TILE_GFX12_4K_2D 2
#define AMD_FMT_MOD_TILE_GFX12_64K_2D 3
#define AMD_FMT_MOD_TILE_GFX12_256K_2D 4