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| author | Alvin Lee <alvin.lee2@amd.com> | 2023-05-11 22:25:01 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-09 17:44:08 +0300 |
| commit | 7e60ab4eb3e4ba2adac46d737fdbbc5732bebd58 (patch) | |
| tree | 6f7add5a5d5d99824d7e7d09749211e4045722b6 /drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.h | |
| parent | de231189e7bf1a38c0f889ec5f8911af473aa792 (diff) | |
| download | linux-7e60ab4eb3e4ba2adac46d737fdbbc5732bebd58.tar.xz | |
drm/amd/display: Apply 60us prefetch for DCFCLK <= 300Mhz
[Description]
- Previously we wanted to apply extra 60us of prefetch for min DCFCLK
(200Mhz), but DCFCLK can be calculated to be 201Mhz which underflows
also without the extra prefetch
- Instead, apply the the extra 60us prefetch for any DCFCLK freq <=
300Mhz
Reviewed-by: Nevenko Stupar <nevenko.stupar@amd.com>
Reviewed-by: Jun Lei <jun.lei@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.h b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.h index d98e36a9a09c..c4745d63039b 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.h +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.h @@ -53,7 +53,7 @@ #define BPP_BLENDED_PIPE 0xffffffff #define MEM_STROBE_FREQ_MHZ 1600 -#define MIN_DCFCLK_FREQ_MHZ 200 +#define DCFCLK_FREQ_EXTRA_PREFETCH_REQ_MHZ 300 #define MEM_STROBE_MAX_DELIVERY_TIME_US 60.0 struct display_mode_lib; |