diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp_test.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_test.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_test.c b/drivers/gpu/drm/i915/display/intel_dp_test.c index 8426c8ef947e..e05819300d77 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_test.c +++ b/drivers/gpu/drm/i915/display/intel_dp_test.c @@ -6,6 +6,7 @@ #include <drm/display/drm_dp.h> #include <drm/display/drm_dp_helper.h> #include <drm/drm_edid.h> +#include <drm/drm_probe_helper.h> #include "i915_drv.h" #include "i915_reg.h" @@ -17,6 +18,15 @@ #include "intel_dp_mst.h" #include "intel_dp_test.h" +void intel_dp_test_reset(struct intel_dp *intel_dp) +{ + /* + * Clearing compliance test variables to allow capturing + * of values for next automated test request. + */ + memset(&intel_dp->compliance, 0, sizeof(intel_dp->compliance)); +} + /* Adjust link config limits based on compliance test requests. */ void intel_dp_test_compute_config(struct intel_dp *intel_dp, struct intel_crtc_state *pipe_config, @@ -510,6 +520,33 @@ bool intel_dp_test_phy(struct intel_dp *intel_dp) return true; } +bool intel_dp_test_short_pulse(struct intel_dp *intel_dp) +{ + struct intel_display *display = to_intel_display(intel_dp); + bool reprobe_needed = false; + + switch (intel_dp->compliance.test_type) { + case DP_TEST_LINK_TRAINING: + drm_dbg_kms(display->drm, + "Link Training Compliance Test requested\n"); + /* Send a Hotplug Uevent to userspace to start modeset */ + drm_kms_helper_hotplug_event(display->drm); + break; + case DP_TEST_LINK_PHY_TEST_PATTERN: + drm_dbg_kms(display->drm, + "PHY test pattern Compliance Test requested\n"); + /* + * Schedule long hpd to do the test + * + * FIXME get rid of the ad-hoc phy test modeset code + * and properly incorporate it into the normal modeset. + */ + reprobe_needed = true; + } + + return reprobe_needed; +} + static ssize_t i915_displayport_test_active_write(struct file *file, const char __user *ubuf, size_t len, loff_t *offp) |