Patch "drm/amd: Add gfx12 swizzle mode defs" has been added to the 6.6-stable tree

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This is a note to let you know that I've just added the patch titled

    drm/amd: Add gfx12 swizzle mode defs

to the 6.6-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-amd-add-gfx12-swizzle-mode-defs.patch
and it can be found in the queue-6.6 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit b82fcd8d702fe9ef09528f84d66d302ed5e84f3b
Author: Aurabindo Pillai <aurabindo.pillai@xxxxxxx>
Date:   Fri Feb 2 14:00:27 2024 -0500

    drm/amd: Add gfx12 swizzle mode defs
    
    [ Upstream commit 7ceb94e87bffff7c12b61eb29749e1d8ac976896 ]
    
    Add GFX12 swizzle mode definitions for use with DCN401
    
    Signed-off-by: Aurabindo Pillai <aurabindo.pillai@xxxxxxx>
    Acked-by: Rodrigo Siqueira <rodrigo.siqueira@xxxxxxx>
    Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 8db7fd3f743e..fb3040677815 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -1474,6 +1474,7 @@ drm_fourcc_canonicalize_nvidia_format_mod(__u64 modifier)
 #define AMD_FMT_MOD_TILE_VER_GFX10 2
 #define AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS 3
 #define AMD_FMT_MOD_TILE_VER_GFX11 4
+#define AMD_FMT_MOD_TILE_VER_GFX12 5
 
 /*
  * 64K_S is the same for GFX9/GFX10/GFX10_RBPLUS and hence has GFX9 as canonical
@@ -1484,6 +1485,8 @@ drm_fourcc_canonicalize_nvidia_format_mod(__u64 modifier)
 /*
  * 64K_D for non-32 bpp is the same for GFX9/GFX10/GFX10_RBPLUS and hence has
  * GFX9 as canonical version.
+ *
+ * 64K_D_2D on GFX12 is identical to 64K_D on GFX11.
  */
 #define AMD_FMT_MOD_TILE_GFX9_64K_D 10
 #define AMD_FMT_MOD_TILE_GFX9_64K_S_X 25
@@ -1491,6 +1494,19 @@ drm_fourcc_canonicalize_nvidia_format_mod(__u64 modifier)
 #define AMD_FMT_MOD_TILE_GFX9_64K_R_X 27
 #define AMD_FMT_MOD_TILE_GFX11_256K_R_X 31
 
+/* Gfx12 swizzle modes:
+ *    0 - LINEAR
+ *    1 - 256B_2D  - 2D block dimensions
+ *    2 - 4KB_2D
+ *    3 - 64KB_2D
+ *    4 - 256KB_2D
+ *    5 - 4KB_3D   - 3D block dimensions
+ *    6 - 64KB_3D
+ *    7 - 256KB_3D
+ */
+#define AMD_FMT_MOD_TILE_GFX12_64K_2D 3
+#define AMD_FMT_MOD_TILE_GFX12_256K_2D 4
+
 #define AMD_FMT_MOD_DCC_BLOCK_64B 0
 #define AMD_FMT_MOD_DCC_BLOCK_128B 1
 #define AMD_FMT_MOD_DCC_BLOCK_256B 2




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