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drm/amd/display: Add debug bit to disable unbounded requesting

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[Description]
Add debug bit to disable unbounded requesting.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Jasdeep Dhillon <jdhillon@amd.com>
Signed-off-by: Dillon Varone <Dillon.Varone@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dillon Varone 2022-11-26 02:03:32 -05:00 committed by Alex Deucher
parent 1b5d0e7e15
commit d7368ea970
4 changed files with 5 additions and 1 deletions
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1
drivers/gpu/drm/amd/display/dc/dc.h
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@ -872,6 +872,7 @@ struct dc_debug_options {
enum lttpr_mode lttpr_mode_override;
unsigned int dsc_delay_factor_wa_x1000;
unsigned int min_prefetch_in_strobe_ns;
bool disable_unbounded_requesting;
};
struct gpu_info_soc_bounding_box_v1_0;

1
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
View File

@ -726,6 +726,7 @@ static const struct dc_debug_options debug_defaults_drv = {
.allow_sw_cursor_fallback = false, // Linux can't do SW cursor "fallback"
.alloc_extra_way_for_cursor = true,
.min_prefetch_in_strobe_ns = 60000, // 60us
.disable_unbounded_requesting = false,
};
static const struct dc_debug_options debug_defaults_diags = {

3
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c
View File

@ -357,6 +357,7 @@ void dcn32_set_det_allocations(struct dc *dc, struct dc_state *context,
int i, pipe_cnt;
struct resource_context *res_ctx = &context->res_ctx;
struct pipe_ctx *pipe;
bool disable_unbounded_requesting = dc->debug.disable_z9_mpc || dc->debug.disable_unbounded_requesting;
for (i = 0, pipe_cnt = 0; i < dc->res_pool->pipe_count; i++) {
@ -373,7 +374,7 @@ void dcn32_set_det_allocations(struct dc *dc, struct dc_state *context,
*/
if (pipe_cnt == 1) {
pipes[0].pipe.src.det_size_override = DCN3_2_MAX_DET_SIZE;
if (pipe->plane_state && !dc->debug.disable_z9_mpc && pipe->plane_state->tiling_info.gfx9.swizzle != DC_SW_LINEAR) {
if (pipe->plane_state && !disable_unbounded_requesting && pipe->plane_state->tiling_info.gfx9.swizzle != DC_SW_LINEAR) {
if (!is_dual_plane(pipe->plane_state->format)) {
pipes[0].pipe.src.det_size_override = DCN3_2_DEFAULT_DET_SIZE;
pipes[0].pipe.src.unbounded_req_mode = true;

1
drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c
View File

@ -724,6 +724,7 @@ static const struct dc_debug_options debug_defaults_drv = {
.allow_sw_cursor_fallback = false, // Linux can't do SW cursor "fallback"
.alloc_extra_way_for_cursor = true,
.min_prefetch_in_strobe_ns = 60000, // 60us
.disable_unbounded_requesting = false,
};
static const struct dc_debug_options debug_defaults_diags = {