On Thu, 2019-01-03 at 06:21 -0800, José Roberto de Souza wrote:
> For now PSR2 is still disabled by default for all platforms but is
> our intention to let debugfs to enable it for debug and tests
> proporses, so intel_psr2_enabled() that is also used by debugfs to
> decide if PSR2 is going to be enabled needs to take in consideration
> the debug field.
>
> v2: Using the switch/case that intel_psr2_enabled() already had to
> handle this(DK)
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
>
> Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_psr.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_psr.c
> b/drivers/gpu/drm/i915/intel_psr.c
> index dce39f06b682..0ef6c5f8c298 100644
> --- a/drivers/gpu/drm/i915/intel_psr.c
> +++ b/drivers/gpu/drm/i915/intel_psr.c
> @@ -71,17 +71,17 @@ static bool psr_global_enabled(u32 debug)
> static bool intel_psr2_enabled(struct drm_i915_private *dev_priv,
> const struct intel_crtc_state
> *crtc_state)
> {
> - /* Disable PSR2 by default for all platforms */
> - if (i915_modparams.enable_psr == -1)
> - return false;
> -
> /* Cannot enable DSC and PSR2 simultaneously */
> WARN_ON(crtc_state->dsc_params.compression_enable &&
> crtc_state->has_psr2);
>
> switch (dev_priv->psr.debug & I915_PSR_DEBUG_MODE_MASK) {
> + case I915_PSR_DEBUG_DISABLE:
> case I915_PSR_DEBUG_FORCE_PSR1:
> return false;
> + case I915_PSR_DEBUG_DEFAULT:
> + if (i915_modparams.enable_psr <= 0)
> + return false;
> default:
> return crtc_state->has_psr2;
> }
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