diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-10-18 10:15:25 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-10-22 22:34:37 +0200 |
| commit | 01916270b840f7f37b7daab936add1747d6afbbf (patch) | |
| tree | 4090ed2c800ee0970442260c67f02599942045ac /drivers/gpu/drm/i915/intel_dp.c | |
| parent | 1ffdff134eb2d943bde3e4901ac48a9656a7e7a5 (diff) | |
drm: dp helper: extract drm_dp_clock_recovery_ok
radeon and intel use the exact same definition.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Dave Airlie <airlied@gmail.com>
v2: Kill 2 more helpers in intel_dp.c that I've missed.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 29 |
1 files changed, 2 insertions, 27 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index f69044b7f00..401db1d42da 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1695,31 +1695,6 @@ intel_dp_signal_levels_hsw(uint8_t train_set) } } -static uint8_t -intel_get_lane_status(uint8_t link_status[DP_LINK_STATUS_SIZE], - int lane) -{ - int s = (lane & 1) * 4; - uint8_t l = link_status[lane>>1]; - - return (l >> s) & 0xf; -} - -/* Check for clock recovery is done on all channels */ -static bool -intel_clock_recovery_ok(uint8_t link_status[DP_LINK_STATUS_SIZE], int lane_count) -{ - int lane; - uint8_t lane_status; - - for (lane = 0; lane < lane_count; lane++) { - lane_status = intel_get_lane_status(link_status, lane); - if ((lane_status & DP_LANE_CR_DONE) == 0) - return false; - } - return true; -} - static bool intel_dp_set_link_train(struct intel_dp *intel_dp, uint32_t dp_reg_value, @@ -1885,7 +1860,7 @@ intel_dp_start_link_train(struct intel_dp *intel_dp) break; } - if (intel_clock_recovery_ok(link_status, intel_dp->lane_count)) { + if (drm_dp_clock_recovery_ok(link_status, intel_dp->lane_count)) { DRM_DEBUG_KMS("clock recovery OK\n"); clock_recovery = true; break; @@ -1967,7 +1942,7 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp) break; /* Make sure clock is still ok */ - if (!intel_clock_recovery_ok(link_status, intel_dp->lane_count)) { + if (!drm_dp_clock_recovery_ok(link_status, intel_dp->lane_count)) { intel_dp_start_link_train(intel_dp); cr_tries++; continue; |