From: Alvin Lee <alvin.lee2@xxxxxxx>
[Why]
There is some logic error where the wrong variable was used to check for
OTG_MASTER and DPP_PIPE.
[How]
Add booleans to confirm that the expected pipes were found before
validating schedulability.
Acked-by: Rodrigo Siqueira <rodrigo.siqueira@xxxxxxx>
Reviewed-by: Samson Tam <samson.tam@xxxxxxx>
Reviewed-by: Chaitanya Dhere <chaitanya.dhere@xxxxxxx>
Signed-off-by: Alvin Lee <alvin.lee2@xxxxxxx>
---
.../drm/amd/display/dc/dml/dcn32/dcn32_fpu.c | 52 +++++++++++--------
1 file changed, 30 insertions(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
index 10c890a9cb7c..cc759b34268b 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
@@ -806,6 +806,8 @@ static bool subvp_drr_schedulable(struct dc *dc, struct dc_state *context)
int16_t drr_stretched_vblank_us = 0;
int16_t max_vblank_mallregion = 0;
struct dc_stream_state *phantom_stream;
+ bool subvp_found = false;
+ bool drr_found = false;
// Find SubVP pipe
for (i = 0; i < dc->res_pool->pipe_count; i++) {
@@ -818,8 +820,10 @@ static bool subvp_drr_schedulable(struct dc *dc, struct dc_state *context)
continue;
// Find the SubVP pipe
- if (dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_MAIN)
+ if (dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_MAIN) {
+ subvp_found = true;
break;
+ }
}
// Find the DRR pipe
@@ -827,33 +831,37 @@ static bool subvp_drr_schedulable(struct dc *dc, struct dc_state *context)
drr_pipe = &context->res_ctx.pipe_ctx[i];
// We check for master pipe only
- if (!resource_is_pipe_type(pipe, OTG_MASTER) ||
- !resource_is_pipe_type(pipe, DPP_PIPE))
+ if (!resource_is_pipe_type(drr_pipe, OTG_MASTER) ||
+ !resource_is_pipe_type(drr_pipe, DPP_PIPE))
continue;
if (dc_state_get_pipe_subvp_type(context, drr_pipe) == SUBVP_NONE && drr_pipe->stream->ignore_msa_timing_param &&
- (drr_pipe->stream->allow_freesync || drr_pipe->stream->vrr_active_variable || drr_pipe->stream->vrr_active_fixed))
+ (drr_pipe->stream->allow_freesync || drr_pipe->stream->vrr_active_variable || drr_pipe->stream->vrr_active_fixed)) {
+ drr_found = true;
break;
+ }
}
- phantom_stream = dc_state_get_paired_subvp_stream(context, pipe->stream);
- main_timing = &pipe->stream->timing;
- phantom_timing = &phantom_stream->timing;
- drr_timing = &drr_pipe->stream->timing;
- prefetch_us = (phantom_timing->v_total - phantom_timing->v_front_porch) * phantom_timing->h_total /
- (double)(phantom_timing->pix_clk_100hz * 100) * 1000000 +
- dc->caps.subvp_prefetch_end_to_mall_start_us;
- subvp_active_us = main_timing->v_addressable * main_timing->h_total /
- (double)(main_timing->pix_clk_100hz * 100) * 1000000;
- drr_frame_us = drr_timing->v_total * drr_timing->h_total /
- (double)(drr_timing->pix_clk_100hz * 100) * 1000000;
- // P-State allow width and FW delays already included phantom_timing->v_addressable
- mall_region_us = phantom_timing->v_addressable * phantom_timing->h_total /
- (double)(phantom_timing->pix_clk_100hz * 100) * 1000000;
- stretched_drr_us = drr_frame_us + mall_region_us + SUBVP_DRR_MARGIN_US;
- drr_stretched_vblank_us = (drr_timing->v_total - drr_timing->v_addressable) * drr_timing->h_total /
- (double)(drr_timing->pix_clk_100hz * 100) * 1000000 + (stretched_drr_us - drr_frame_us);
- max_vblank_mallregion = drr_stretched_vblank_us > mall_region_us ? drr_stretched_vblank_us : mall_region_us;
+ if (subvp_found && drr_found) {
+ phantom_stream = dc_state_get_paired_subvp_stream(context, pipe->stream);
+ main_timing = &pipe->stream->timing;
+ phantom_timing = &phantom_stream->timing;
+ drr_timing = &drr_pipe->stream->timing;
+ prefetch_us = (phantom_timing->v_total - phantom_timing->v_front_porch) * phantom_timing->h_total /
+ (double)(phantom_timing->pix_clk_100hz * 100) * 1000000 +
+ dc->caps.subvp_prefetch_end_to_mall_start_us;
+ subvp_active_us = main_timing->v_addressable * main_timing->h_total /
+ (double)(main_timing->pix_clk_100hz * 100) * 1000000;
+ drr_frame_us = drr_timing->v_total * drr_timing->h_total /
+ (double)(drr_timing->pix_clk_100hz * 100) * 1000000;
+ // P-State allow width and FW delays already included phantom_timing->v_addressable
+ mall_region_us = phantom_timing->v_addressable * phantom_timing->h_total /
+ (double)(phantom_timing->pix_clk_100hz * 100) * 1000000;
+ stretched_drr_us = drr_frame_us + mall_region_us + SUBVP_DRR_MARGIN_US;
+ drr_stretched_vblank_us = (drr_timing->v_total - drr_timing->v_addressable) * drr_timing->h_total /
+ (double)(drr_timing->pix_clk_100hz * 100) * 1000000 + (stretched_drr_us - drr_frame_us);
+ max_vblank_mallregion = drr_stretched_vblank_us > mall_region_us ? drr_stretched_vblank_us : mall_region_us;
+ }
/* We consider SubVP + DRR schedulable if the stretched frame duration of the DRR display (i.e. the
* highest refresh rate + margin that can support UCLK P-State switch) passes the static analysis
--
2.42.0
