This patch was previously part of "[PATCH 07/10] drm/i915: Add structures for
Displayport compliance testing parameters". Adds a struct to maintain link
configuration data for Displayport compliance testing. The members added to
the intel_dp struct are for compliance testing purposes only and should not
be used during normal operations.
Signed-off-by: Todd Previte <tprev...@gmail.com>
---
drivers/gpu/drm/i915/intel_drv.h | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index d1a807a..5a8b1d6 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -577,6 +577,18 @@ enum edp_drrs_refresh_rate_type {
DRRS_MAX_RR, /* RR count */
};
+struct intel_dp_link_config {
+ uint8_t lane_count;
+ uint8_t link_rate;
+ uint8_t vswing_level;
+ uint8_t preemp_level;
+ uint32_t hres;
+ uint32_t vres;
+ uint8_t bits_per_pixel;
+ struct drm_display_mode *compliance_mode;
+ char connector_name[12];
+};
+
struct intel_dp {
uint32_t output_reg;
uint32_t aux_ch_ctl_reg;
@@ -641,6 +653,8 @@ struct intel_dp {
/* Displayport compliance testing */
unsigned long compliance_test_data;
bool compliance_testing_active;
+ struct intel_dp_link_config compliance_config;
+ struct intel_dp_link_config saved_config;
};
--
1.9.1
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