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authorAnimesh Manna <animesh.manna@intel.com>2020-03-16 16:07:59 +0530
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2020-04-08 14:41:09 +0200
commit8cdf727119289db3a98835662eb28e1c5ad835f1 (patch)
tree83c7d5a4aa3a04c1cbafe933ca38e49aa46971ec /drivers/gpu/drm/i915/display/intel_dp.h
parentfce214aea8e061ba99aee9c85c3df437c2e72364 (diff)
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drm/i915/dp: Program vswing, pre-emphasis, test-pattern
This patch process phy compliance request by programming requested vswing, pre-emphasis and test pattern. v1: Initial patch. v2: Fixes added during testing with test-scope. (Khaled/Clint/Manasi) - pipe used as argument during registers programming instead of port. - TRANS_CONF must be disable/enable as well during ddi disable/enable. - harcoded PLTPAT 80 bit custom pattern as the DPR-100 does not set it in the sink’s DPCDs - TRANS_DDI_FUNC_CTL DDI_Select (Bits 27:30) need to reset/set during disable/enable. v3: used macros instead of numbers and some cosmetic changes. [Manasi] Cc: Clinton Taylor <Clinton.A.Taylor@intel.com> Cc: Manasi Navare <manasi.d.navare@intel.com> Signed-off-by: Animesh Manna <animesh.manna@intel.com> Signed-off-by: Khaled Almahallawy <khaled.almahallawy@intel.com> Reviewed-by: Manasi Navare <manasi.d.navare@intel.com> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200316103759.12867-8-animesh.manna@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp.h')
-rw-r--r--drivers/gpu/drm/i915/display/intel_dp.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h
index 0c7be8ed1423..0d22a230b32d 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.h
+++ b/drivers/gpu/drm/i915/display/intel_dp.h
@@ -115,6 +115,7 @@ void intel_dp_hdr_metadata_enable(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state);
bool intel_digital_port_connected(struct intel_encoder *encoder);
+void intel_dp_process_phy_request(struct intel_dp *intel_dp);
static inline unsigned int intel_dp_unused_lane_mask(int lane_count)
{