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Commit 43b9d273 authored by Mikita Lipski's avatar Mikita Lipski Committed by Alex Deucher
Browse files

drm/amd/display: Set irq state only on existing crtcs 



Because AMDGPU_CRTC_IRQ_VLINE1 = 6, it expected 6 more crtcs to be
programed with disabled irq state in amdgpu_irq_disable_all. That caused errors and accessed
the wrong memory location.

Signed-off-by: default avatarMikita Lipski <mikita.lipski@amd.com>
Reviewed-by: default avatarTony Cheng <Tony.Cheng@amd.com>
Reviewed-by: default avatarHarry Wentland <Harry.Wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 4a2df0d1

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c

+2 −4
Original line number Diff line number Diff line
@@ -683,10 +683,8 @@ static const struct amdgpu_irq_src_funcs dm_hpd_irq_funcs = { 


void amdgpu_dm_set_irq_funcs(struct amdgpu_device *adev)

{

	if (adev->mode_info.num_crtc > 0)

		adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;

	else

		adev->crtc_irq.num_types = 0;



	adev->crtc_irq.num_types = adev->mode_info.num_crtc;

	adev->crtc_irq.funcs = &dm_crtc_irq_funcs;



	adev->pageflip_irq.num_types = adev->mode_info.num_crtc;