diff options
author | Dave Airlie <airlied@redhat.com> | 2023-05-05 04:27:08 +0300 |
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committer | Dave Airlie <airlied@redhat.com> | 2023-05-05 04:27:09 +0300 |
commit | f4c41a7fd7f99329e5af0ac0a236504a60bfb17c (patch) | |
tree | e27e7a8f137ee37ec86eff1cd55254aabe71a911 /drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c | |
parent | fa0d9c066dee8f52eabcb8416459aa0568b832f9 (diff) | |
parent | 1253685f0d3eb3eab0bfc4bf15ab341a5f3da0c8 (diff) | |
download | linux-f4c41a7fd7f99329e5af0ac0a236504a60bfb17c.tar.xz |
Merge tag 'amd-drm-fixes-6.4-2023-05-03' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-fixes-6.4-2023-05-03:
amdgpu:
- GPU reset fixes
- Doorbell fix when resizing BARs
- Fix spurious warnings in gmc
- Locking fix for AMDGPU_SCHED IOCTL
- SR-IOV fix
- DCN 3.1.4 fix
- DCN 3.2 fix
- Fix job cleanup when CS is aborted
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230504034018.7950-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c index a876e6eb6cd8..22dd1ebea618 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c @@ -2079,6 +2079,14 @@ static struct resource_funcs dcn32_res_pool_funcs = { .restore_mall_state = dcn32_restore_mall_state, }; +static uint32_t read_pipe_fuses(struct dc_context *ctx) +{ + uint32_t value = REG_READ(CC_DC_PIPE_DIS); + /* DCN32 support max 4 pipes */ + value = value & 0xf; + return value; +} + static bool dcn32_resource_construct( uint8_t num_virtual_links, @@ -2122,7 +2130,7 @@ static bool dcn32_resource_construct( pool->base.res_cap = &res_cap_dcn32; /* max number of pipes for ASIC before checking for pipe fuses */ num_pipes = pool->base.res_cap->num_timing_generator; - pipe_fuses = REG_READ(CC_DC_PIPE_DIS); + pipe_fuses = read_pipe_fuses(ctx); for (i = 0; i < pool->base.res_cap->num_timing_generator; i++) if (pipe_fuses & 1 << i) |