diff options
| author | Dmytro Laktyushkin <dmytro.laktyushkin@amd.com> | 2023-06-08 17:44:42 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-23 22:44:48 +0300 |
| commit | effee878a8661d7f4f497304ecf256e4b1790d1e (patch) | |
| tree | 783f75ef4acb0194d3370e9a6ef2c5b639b209b4 /drivers/gpu/drm/amd/display/dc/dcn314 | |
| parent | 0250a7145e9c44c9f60d14aed7b66ed3a9de07f9 (diff) | |
| download | linux-effee878a8661d7f4f497304ecf256e4b1790d1e.tar.xz | |
drm/amd/display: fix odm k2 div calculation
Correct setting is div by 2 for odm. Seamless odm transitions
are enabled with enable_dp_dig_pixel_rate_div_policy debug flag.
Fixes: a2c7356f526d ("drm/amd/display: fix pixel rate update sequence")
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Dmytro Laktyushkin <dmytro.laktyushkin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn314')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.h | 2 |
2 files changed, 8 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c index 32a1c3105089..4d2820ffe468 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c @@ -337,13 +337,14 @@ void dcn314_enable_power_gating_plane(struct dce_hwseq *hws, bool enable) REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0); } -void dcn314_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsigned int *k1_div, unsigned int *k2_div) +unsigned int dcn314_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsigned int *k1_div, unsigned int *k2_div) { struct dc_stream_state *stream = pipe_ctx->stream; + unsigned int odm_combine_factor = 0; bool two_pix_per_container = false; two_pix_per_container = optc2_is_two_pixels_per_containter(&stream->timing); - get_odm_config(pipe_ctx, NULL); + odm_combine_factor = get_odm_config(pipe_ctx, NULL); if (stream->ctx->dc->link_srv->dp_is_128b_132b_signal(pipe_ctx)) { *k1_div = PIXEL_RATE_DIV_BY_1; @@ -361,11 +362,15 @@ void dcn314_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsigned int } else { *k1_div = PIXEL_RATE_DIV_BY_1; *k2_div = PIXEL_RATE_DIV_BY_4; + if (odm_combine_factor == 2) + *k2_div = PIXEL_RATE_DIV_BY_2; } } if ((*k1_div == PIXEL_RATE_DIV_NA) && (*k2_div == PIXEL_RATE_DIV_NA)) ASSERT(false); + + return odm_combine_factor; } void dcn314_set_pixels_per_cycle(struct pipe_ctx *pipe_ctx) diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.h b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.h index 3841da67a737..eafcc4ea6d24 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.h +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.h @@ -37,7 +37,7 @@ void dcn314_dsc_pg_control(struct dce_hwseq *hws, unsigned int dsc_inst, bool po void dcn314_enable_power_gating_plane(struct dce_hwseq *hws, bool enable); -void dcn314_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsigned int *k1_div, unsigned int *k2_div); +unsigned int dcn314_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsigned int *k1_div, unsigned int *k2_div); void dcn314_set_pixels_per_cycle(struct pipe_ctx *pipe_ctx); |