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drm/amd/display: use a more lax vblank enable policy for DCN35+

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Ideally, we want to enable immediate vblank disable, when possible and
we should be able to do so on DCN35+, if PSR isn't supported by a given
CRTC.

Suggested-by: Leo Li <sunpeng.li@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240822161856.174600-3-hamza.mahfooz@amd.com
This commit is contained in:
Hamza Mahfooz 2024-08-20 13:53:23 -04:00
parent 537ef0f888
commit e45b6716de
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GPG key ID: 3D6797D6EE6FCAE2
1 changed files with 6 additions and 1 deletions
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7
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@ -8246,7 +8246,8 @@ static void manage_dm_interrupts(struct amdgpu_device *adev,
if (amdgpu_ip_version(adev, DCE_HWIP, 0) <
IP_VERSION(3, 5, 0)) {
drm_crtc_vblank_on(&acrtc->base);
} else {
} else if (acrtc_state->stream->link->psr_settings.psr_version <
DC_PSR_VERSION_UNSUPPORTED) {
timing = &acrtc_state->stream->timing;
/* at least 2 frames */
@ -8258,6 +8259,10 @@ static void manage_dm_interrupts(struct amdgpu_device *adev,
config.offdelay_ms = offdelay ?: 30;
drm_crtc_vblank_on_config(&acrtc->base,
&config);
} else {
config.disable_immediate = true;
drm_crtc_vblank_on_config(&acrtc->base,
&config);
}
amdgpu_irq_get(