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drm/amd/display: Disable GPUVM in IP resource configuration

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[Why]
VM enabled in IP configuration causes UCLK not
reaching DPM0. The expectation for VM enable should
be that KMD will indicate to DAL when VM is enabled,
then DAL will set the bit accordingly

[How]
Set gpuvm_enable to zero in DCN3_20 and DCN3_21 resource.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Martin Leung <Martin.Leung@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Vladimir Stempen <vladimir.stempen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Vladimir Stempen
2022-07-06 15:57:12 -04:00
committed by Alex Deucher
parent 7a06e12587
commit 7b5b0d196c
2 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
View File

@@ -120,7 +120,7 @@ static const struct IP_BASE DCN_BASE = { { { { 0x00000012, 0x000000C0, 0x000034C
#define DCN3_2_MIN_COMPBUF_SIZE_KB 128
struct _vcs_dpi_ip_params_st dcn3_2_ip = {
.gpuvm_enable = 1,
.gpuvm_enable = 0,
.gpuvm_max_page_table_levels = 4,
.hostvm_enable = 0,
.rob_buffer_size_kbytes = 128,

2
drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c
View File

@@ -123,7 +123,7 @@ static const struct IP_BASE DCN_BASE = { { { { 0x00000012, 0x000000C0, 0x000034C
#define DCN3_2_DEFAULT_DET_SIZE 256
struct _vcs_dpi_ip_params_st dcn3_21_ip = {
.gpuvm_enable = 1,
.gpuvm_enable = 0,
.gpuvm_max_page_table_levels = 4,
.hostvm_enable = 0,
.rob_buffer_size_kbytes = 128,