On Tue, 2018-02-13 at 16:29 -0800, Rodrigo Vivi wrote:
> According to spec:
> "PSR2 is supported for pipe active sizes up to
> 3640 pixels wide and 2304 lines tall."
>
> BSpec: 7713
>
> Cc: Dhinakaran Pandiyan <dhinakaran.pandi...@intel.com>
> Signed-off-by: Rodrigo Vivi <rodrigo.v...@intel.com>
> ---
> drivers/gpu/drm/i915/intel_psr.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_psr.c
> b/drivers/gpu/drm/i915/intel_psr.c
> index 7cd4b82c6a75..3d341a44e720 100644
> --- a/drivers/gpu/drm/i915/intel_psr.c
> +++ b/drivers/gpu/drm/i915/intel_psr.c
> @@ -413,9 +413,9 @@ void intel_psr_compute_config(struct intel_dp *intel_dp,
> return;
> }
>
> - /* PSR2 is restricted to work with panel resolutions upto 3200x2000 */
> - if (adjusted_mode->crtc_hdisplay > 3200 ||
> - adjusted_mode->crtc_vdisplay > 2000) {
> + /* PSR2 is restricted to work with panel resolutions up to 3640x2304 */
> + if (adjusted_mode->crtc_hdisplay > 3640 ||
> + adjusted_mode->crtc_vdisplay > 2304) {
> DRM_DEBUG_KMS("PSR2 disabled, panel resolution too big\n");
How about changing this to
DRM_DEBUG_KMS("PSR2 cannot be enabled, resolution > 3640x2304\n");
1) We aren't disabling PSR if it wasn't enabled in the first place.
2) Max resolution is platform specific, might be worth to debug log.
Either way,
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandi...@intel.com>
> return;
> }
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