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authorRodrigo Siqueira <Rodrigo.Siqueira@amd.com>2022-02-28 19:01:59 -0500
committerAlex Deucher <alexander.deucher@amd.com>2022-03-25 12:40:24 -0400
commit6bf528ec91fb96e186461215c8f76265c5a35250 (patch)
tree8badc561722c1e035cbb945e0f03451ade0c3636 /drivers/gpu/drm
parent5e8a71cf13bc9184fee915b2220be71b4c6cac74 (diff)
downloadlinux-6bf528ec91fb96e186461215c8f76265c5a35250.tar.bz2
drm/amd/display: Reduce stack size
Linux kernel enabled more compilation restrictions related to the stack size, which caused compilation failures in our code. This commit reduces the allocation size by allocating the required memory dynamically. Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> Reviewed-by: Aric Cyr <Aric.Cyr@amd.com> Acked-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@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')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index c3e141c19a77..ad757b59e00e 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -2056,7 +2056,7 @@ static int dcn10_align_pixel_clocks(struct dc *dc, int group_size,
{
struct dc_context *dc_ctx = dc->ctx;
int i, master = -1, embedded = -1;
- struct dc_crtc_timing hw_crtc_timing[MAX_PIPES] = {0};
+ struct dc_crtc_timing *hw_crtc_timing;
uint64_t phase[MAX_PIPES];
uint64_t modulo[MAX_PIPES];
unsigned int pclk;
@@ -2067,6 +2067,10 @@ static int dcn10_align_pixel_clocks(struct dc *dc, int group_size,
uint32_t dp_ref_clk_100hz =
dc->res_pool->dp_clock_source->ctx->dc->clk_mgr->dprefclk_khz*10;
+ hw_crtc_timing = kcalloc(MAX_PIPES, sizeof(*hw_crtc_timing), GFP_KERNEL);
+ if (!hw_crtc_timing)
+ return master;
+
if (dc->config.vblank_alignment_dto_params &&
dc->res_pool->dp_clock_source->funcs->override_dp_pix_clk) {
embedded_h_total =
@@ -2130,6 +2134,8 @@ static int dcn10_align_pixel_clocks(struct dc *dc, int group_size,
}
}
+
+ kfree(hw_crtc_timing);
return master;
}