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drm/amd/display: fix compressed buffer config routine waiting time

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Replace the four open-coded REG_WAIT calls with calls to
dcn31_wait_for_det_apply() so the compressed buffer (compbuf) sizing
path waits long enough for the DET size update to take effect, and the
wait timing stays consistent across the driver.

No functional change beyond the corrected timeout.

Signed-off-by: Antonio Quartulli <antonio@mandelbit.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Antonio Quartulli 2026-05-19 15:57:28 +00:00 committed by Alex Deucher
parent 60597d2cb2
commit 251a01d34b
1 changed files with 4 additions and 4 deletions
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8
drivers/gpu/drm/amd/display/dc/hubbub/dcn31/dcn31_hubbub.c
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@ -138,10 +138,10 @@ static void dcn31_program_compbuf_size(struct hubbub *hubbub, unsigned int compb
if (safe_to_increase || compbuf_size_segments <= hubbub2->compbuf_size_segments) {
if (compbuf_size_segments > hubbub2->compbuf_size_segments) {
REG_WAIT(DCHUBBUB_DET0_CTRL, DET0_SIZE_CURRENT, hubbub2->det0_size, 1, 100);
REG_WAIT(DCHUBBUB_DET1_CTRL, DET1_SIZE_CURRENT, hubbub2->det1_size, 1, 100);
REG_WAIT(DCHUBBUB_DET2_CTRL, DET2_SIZE_CURRENT, hubbub2->det2_size, 1, 100);
REG_WAIT(DCHUBBUB_DET3_CTRL, DET3_SIZE_CURRENT, hubbub2->det3_size, 1, 100);
dcn31_wait_for_det_apply(hubbub, 0);
dcn31_wait_for_det_apply(hubbub, 1);
dcn31_wait_for_det_apply(hubbub, 2);
dcn31_wait_for_det_apply(hubbub, 3);
}
/* Should never be hit, if it is we have an erroneous hw config*/
ASSERT(hubbub2->det0_size + hubbub2->det1_size + hubbub2->det2_size