On Mon, Feb 25, 2013 at 07:55:18PM -0300, Rodrigo Vivi wrote:
From: Shobhit Kumar shobhit.kumar@intel.com
Signed-off-by: Shobhit Kumar shobhit.kumar@intel.com
v2: reuse of just created is_edp_psr and put it at right place.
Signed-off-by: Rodrigo Vivi rodrigo.vivi@gmail.com Reviewed-by: Jani Nikula jani.nikula@intel.com
drivers/gpu/drm/i915/intel_dp.c | 13 +++++++++++++ drivers/gpu/drm/i915/intel_drv.h | 1 + 2 files changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index b4494a2..5cfa9f4 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1437,6 +1437,12 @@ static void intel_post_disable_dp(struct intel_encoder *encoder) } }
+static bool is_edp_psr(struct intel_dp *intel_dp) +{
- return (is_edp(intel_dp) &&
(intel_dp->psr_dpcd[0] & DP_PSR_IS_SUPPORTED));
This should probably also check the setup time vs. vblank restriction.
+}
static void intel_enable_dp(struct intel_encoder *encoder) { struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); @@ -2117,6 +2123,13 @@ intel_dp_get_dpcd(struct intel_dp *intel_dp) if (intel_dp->dpcd[DP_DPCD_REV] == 0) return false; /* DPCD not present */
- /* Check if the panel supports PSR */
- memset(intel_dp->psr_dpcd, 0, sizeof(intel_dp->psr_dpcd));
- intel_dp_aux_native_read_retry(intel_dp, DP_PSR_SUPPORT,
intel_dp->psr_dpcd,sizeof(intel_dp->psr_dpcd));- if (is_edp_psr(intel_dp))
DRM_DEBUG_KMS("Detected EDP PSR Panel.\n");diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 005a91f..865ede6 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -375,6 +375,7 @@ struct intel_dp { uint8_t link_bw; uint8_t lane_count; uint8_t dpcd[DP_RECEIVER_CAP_SIZE];
- uint8_t psr_dpcd[EDP_PSR_RECEIVER_CAP_SIZE]; uint8_t downstream_ports[DP_MAX_DOWNSTREAM_PORTS]; struct i2c_adapter adapter; struct i2c_algo_dp_aux_data algo;
-- 1.8.1.2
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