From: Nagaraju, Vathsala Date: Wed, 11 Jan 2017 22:28:30 +0000 (+0530) Subject: drm/i915/psr: enable psr2 for y cordinate panels X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=18b9bf3ee5a4fcce8b284a1bd4ddb593f1397daa;p=linux-beck.git drm/i915/psr: enable psr2 for y cordinate panels Psr2 is enabled only for y cordinate panels.Once GTC (global time code) is implemented,this restriction is removed so that psr2 can work on panels without y cordinate support. v2: (Rodrigo) - Move the check to intel_psr_match_conditions v3: (Rodrigo) - add return false v4: rebase Cc: Rodrigo Vivi Cc: Jim Bride Signed-off-by: Vathsala Nagaraju Signed-off-by: Patil Deepti Reviewed-by: Rodrigo Vivi Signed-off-by: Rodrigo Vivi Link: http://patchwork.freedesktop.org/patch/msgid/1484173710-3138-1-git-send-email-vathsala.nagaraju@intel.com --- diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c index 3611c42bff7f..38419e57d2aa 100644 --- a/drivers/gpu/drm/i915/intel_psr.c +++ b/drivers/gpu/drm/i915/intel_psr.c @@ -441,6 +441,15 @@ static bool intel_psr_match_conditions(struct intel_dp *intel_dp) return false; } + /* + * FIXME:enable psr2 only for y-cordinate psr2 panels + * After gtc implementation , remove this restriction. + */ + if (!dev_priv->psr.y_cord_support && dev_priv->psr.psr2_support) { + DRM_DEBUG_KMS("PSR2 disabled, panel does not support Y coordinate\n"); + return false; + } + dev_priv->psr.source_ok = true; return true; }