]> git.ipfire.org Git - thirdparty/linux.git/commitdiff
drm/amd/display: Fix scratch registers offsets for DCN351
authorRay Wu <ray.wu@amd.com>
Fri, 28 Nov 2025 01:14:09 +0000 (09:14 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 16 Dec 2025 19:12:16 +0000 (14:12 -0500)
[Why]
Different platforms use different NBIO header files,
causing display code to use differnt offset and read
wrong accelerated status.

[How]
- Unified NBIO offset header file across platform.
- Correct scratch registers offsets to proper locations.

Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4667
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Signed-off-by: Chenyu Chen <chen-yu.chen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 576e032e909c8a6bb3d907b4ef5f6abe0f644199)
Cc: stable@vger.kernel.org
drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c

index f3c614c4490ce2eba84864598055bf539ee70cd2..9fab3169069c40081edd8d9f423cbc4f3e80de22 100644 (file)
@@ -183,12 +183,12 @@ enum dcn351_clk_src_array_id {
        NBIO_BASE_INNER(seg)
 
 #define NBIO_SR(reg_name)\
-       REG_STRUCT.reg_name = NBIO_BASE(regBIF_BX2_ ## reg_name ## _BASE_IDX) + \
-                               regBIF_BX2_ ## reg_name
+       REG_STRUCT.reg_name = NBIO_BASE(regBIF_BX1_ ## reg_name ## _BASE_IDX) + \
+                               regBIF_BX1_ ## reg_name
 
 #define NBIO_SR_ARR(reg_name, id)\
-       REG_STRUCT[id].reg_name = NBIO_BASE(regBIF_BX2_ ## reg_name ## _BASE_IDX) + \
-               regBIF_BX2_ ## reg_name
+       REG_STRUCT[id].reg_name = NBIO_BASE(regBIF_BX1_ ## reg_name ## _BASE_IDX) + \
+               regBIF_BX1_ ## reg_name
 
 #define bios_regs_init() \
                ( \