On Fri, 2018-03-30 at 14:15 -0700, José Roberto de Souza wrote:
> This was my bad, spec says that the name of this bit is
> 'Y-coordinate valid' but the values for it is:
> 0: Include Y-coordinate valid eDP1.4a
> 1: Do not include Y-coordinate valid eDP 1.4
> So renaming the bit and not setting it.
>
> Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
> Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_reg.h | 2 +-
> drivers/gpu/drm/i915/intel_psr.c | 5 ++---
> 2 files changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index 176dca6554f4..19429cb1f3a7 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -4058,7 +4058,7 @@ enum {
> #define EDP_PSR2_CTL _MMIO(0x6f900)
> #define EDP_PSR2_ENABLE (1<<31)
> #define EDP_SU_TRACK_ENABLE (1<<30)
> -#define EDP_Y_COORDINATE_VALID (1<<26) /* GLK and CNL+ */
> +#define EDP_Y_COORDINATE_INVALID (1<<26) /* GLK and CNL+ */
INVALID isn't the same as asking the source to not send the y-coordinate
valid bit. Sorry to be pedantic, please leave the definition as it is.
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx> if you
remove this hunk.
> #define EDP_Y_COORDINATE_ENABLE (1<<25) /* GLK and CNL+ */
> #define EDP_MAX_SU_DISABLE_TIME(t) ((t)<<20)
> #define EDP_MAX_SU_DISABLE_TIME_MASK (0x1f<<20)
> diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
> index 2d53f7398a6d..f12111438bcf 100644
> --- a/drivers/gpu/drm/i915/intel_psr.c
> +++ b/drivers/gpu/drm/i915/intel_psr.c
> @@ -400,9 +400,8 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp)
> * mesh at all with our frontbuffer tracking. And the hw alone isn't
> * good enough. */
> val |= EDP_PSR2_ENABLE | EDP_SU_TRACK_ENABLE;
> - if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) {
> - val |= EDP_Y_COORDINATE_VALID | EDP_Y_COORDINATE_ENABLE;
> - }
> + if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
> + val |= EDP_Y_COORDINATE_ENABLE;
>
> val |= EDP_PSR2_FRAME_BEFORE_SU(dev_priv->psr.sink_sync_latency + 1);
>
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