On Thu, Feb 27, 2025 at 12:23 AM Alexandre Demers
<alexandre.f.demers@xxxxxxxxx> wrote:
>
> dce_v6_0_set_crtc_vline_interrupt_state() was empty without any info to
> inform the user.
Doesn't hurt to fill it in, but nothing uses the vline interrupt at
the moment. Might be better to just remove it from all of the non-DC
display code.
Alex
>
> Based on DCE8 and DCE10 code.
>
> Signed-off-by: Alexandre Demers <alexandre.f.demers@xxxxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/dce_v6_0.c | 44 +++++++++++++++++++++++++++
> 1 file changed, 44 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
> index 254cb73324c6..e805c4f9222c 100644
> --- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
> @@ -2957,7 +2957,51 @@ static void dce_v6_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
> int crtc,
> enum amdgpu_interrupt_state state)
> {
> + u32 reg_block, lb_interrupt_mask;
>
> + if (crtc >= adev->mode_info.num_crtc) {
> + DRM_DEBUG("invalid crtc %d\n", crtc);
> + return;
> + }
> +
> + switch (crtc) {
> + case 0:
> + reg_block = CRTC0_REGISTER_OFFSET;
> + break;
> + case 1:
> + reg_block = CRTC1_REGISTER_OFFSET;
> + break;
> + case 2:
> + reg_block = CRTC2_REGISTER_OFFSET;
> + break;
> + case 3:
> + reg_block = CRTC3_REGISTER_OFFSET;
> + break;
> + case 4:
> + reg_block = CRTC4_REGISTER_OFFSET;
> + break;
> + case 5:
> + reg_block = CRTC5_REGISTER_OFFSET;
> + break;
> + default:
> + DRM_DEBUG("invalid crtc %d\n", crtc);
> + return;
> + }
> +
> + switch (state) {
> + case AMDGPU_IRQ_STATE_DISABLE:
> + lb_interrupt_mask = RREG32(mmINT_MASK + reg_block);
> + lb_interrupt_mask &= ~VLINE_INT_MASK;
> + WREG32(mmINT_MASK + reg_block, lb_interrupt_mask);
> + break;
> + case AMDGPU_IRQ_STATE_ENABLE:
> + lb_interrupt_mask = RREG32(mmINT_MASK + reg_block);
> + lb_interrupt_mask |= VLINE_INT_MASK;
> + WREG32(mmINT_MASK + reg_block, lb_interrupt_mask);
> + break;
> + default:
> + break;
> + }
> }
>
> static int dce_v6_0_set_hpd_interrupt_state(struct amdgpu_device *adev,
> --
> 2.48.1
>
