AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-12 08:56:47 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

drm/i915: Enable MIPI PHY transparent latch for DSI Port C

Browse Source 
Common bit to be used for both DSI Port A & DSI Port C.

Signed-off-by: Gaurav K Singh <gaurav.k.singh@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Gaurav K Singh 2014-12-07 16:13:54 +05:30 committed by Daniel Vetter
parent 3c860ab40c
commit bf344e8090
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/i915/intel_dsi.c
View File

@ -177,7 +177,12 @@ static void intel_dsi_device_ready(struct intel_encoder *encoder)
usleep_range(2500, 3000);
val = I915_READ(MIPI_PORT_CTRL(port));
I915_WRITE(MIPI_PORT_CTRL(port), val | LP_OUTPUT_HOLD);
/* Enable MIPI PHY transparent latch
* Common bit for both MIPI Port A & MIPI Port C
* No similar bit in MIPI Port C reg
*/
I915_WRITE(MIPI_PORT_CTRL(PORT_A), val | LP_OUTPUT_HOLD);
usleep_range(1000, 1500);
I915_WRITE(MIPI_DEVICE_READY(port), ULPS_STATE_EXIT);