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* drm/doc: Reference AMD DC todosHarry Wentland2017-09-281-0/+10
| | | | | Signed-off-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: DC I2C reviewHarry Wentland2017-09-281-15/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While reviewing I2C in DC identified a few places. Added a couple to the TODO list. 1) Connector info read See get_ext_display_connection_info On some boards the connector information has to be read through a special I2C channel. This line is only used for this purpose and only on driver init. 2) SCDC stuff This should all be reworked to go through DRM's SCDC code. When this is done some unnecessary I2C code can be retired as well. 3) Max TMDS clock read See dal_ddc_service_i2c_query_dp_dual_mode_adaptor This should happen in DRM as well. I haven't checked if there's currently functionality in DRM. If not we can propose something. 4) HDMI retimer programming Some boards have an HDMI retimer that we need to program to pass PHY compliance. 1 & 3 might be a good exercise if someone is looking for things to do. v2: Merge dp_dual_mode_adaptor TODO Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Harry Wentland <harry.wentland@amd.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Use kernel alloc/freeHarry Wentland2017-09-2859-330/+362
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Abstractions are frowned upon. cocci script: virtual context virtual patch virtual org virtual report @@ expression ptr; @@ - dm_alloc(ptr) + kzalloc(ptr, GFP_KERNEL) @@ expression ptr, size; @@ - dm_realloc(ptr, size) + krealloc(ptr, size, GFP_KERNEL) @@ expression ptr; @@ - dm_free(ptr) + kfree(ptr) v2: use GFP_KERNEL, not GFP_ATOMIC. add cocci script Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd: DC pull request reviewDaniel Vetter2017-09-281-0/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ok, here's one more attempt at scrolling through 130k diff. Overall verdict from me is that DC is big project, and like any big project it's never done. So at least for me the goal isn't to make things perfect, becaue if that's the hoop to jump through we wouldn't have any gpu drivers at all. More important is whether merging a new driver base will benefit the overall subsystem, and here this primarily means whether the DC team understands how upstream works and is designed, and whether the code is largely aligned with upstream (especially the atomic modeset) architecture. Looking back over the last two years I think that's the case now, so Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> for merging this pull. While scrolling through the pull I spotted a bunch more things that should be refactored, but most of these will be a real pain with DC is out of tree, and much easier in tree since in many of these areas the in-tree helpers aren't up to snuff yet for what DC needs. That kind of work is best done when there's one tree with everything integrated. That's also why I think we should merge DC into drm-next directly, so we can get started on the integration polish right away. That has a bit higher risk of Linus having a spazz, so here's my recommendation for merging: - There's a few additions to drm_dp_helper.h sprinkled all over the pull. I think those should be put into a patch of it's own, and merged first. No need to rebase DC, git merge will dtrt and not end up with duplicates. - dm_alloc/realloc/free is something Dave Airlie noticed, and I agree it's an easy red flag that might upset Linus. cocci can fix this easy, so no real problem I think to patch up in one big patch (I thought we've had a "remove malloc wrappers" todo item in the very first review, apparently there was more than one such wrapper). - The history is huge, but AMD folks want to keep it if possible, and I see the value in that. Would be good to get an ack from Linus for that (but shouldn't be an issue, not the first time we've merged the full history of out-of-tree work). Short&longer term TODO items are still tracked, might be a good idea to integrate those the overall drm todo in our gpu documentation, for more visibility. So in a way this is kinda like staging, except not with the horribly broken process of having an entirely separate tree for staging drivers which just makes refactoring needlessly painful (which defeats the point of staging really). So staging-within-the-subsystem. We've had that before, with early nouveau. And yes some of the files are utterly horrible to read and not anything close to kernel coding style standards. But that's the point, they're essentially gospel from hw engineers that happens to be parseable by gcc. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amdgpu: drop experimental flag for vega10Alex Deucher2017-09-271-9/+9
| | | | Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: fix pflip irq registor for ravenBhawanpreet Lakha2017-09-271-1/+1
| | | | | | | | | The pflip registor index was incorrect, this was overriding the macro and caused a dummy irq call. Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: don't clean-up bottom pipe plane_stateShirish S2017-09-271-8/+0
| | | | | | | | | | | | | | | | | | | | | In the scenario of setting underlay, dc_validate_global_state() is called after constructing the context with all relevant bottom_pipe related configurations in dm_update_planes_state(). Currently, in dc_validate_global_state(), without checking for bottom_pipe's existence, the pipe_ctx structure is initialised to 0, hence nullyfying the plane_state of bottom_pipe which shall be accessed in populate_initial_data() called from bw_calcs(). Due to this null pointer access kernel panics and leads to reboot when underlay is tried to set. This patch fixes the issue by no longer clearing the top_pipe. This workaround is no longer required. Signed-off-by: Shirish S <shirish.s@amd.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Remove unused dc_validate_guaranteed functionHarry Wentland2017-09-271-34/+0
| | | | | | | It got refactored away and was never cleaned. Signed-off-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Reduce DC chattinessHarry Wentland2017-09-272-35/+42
| | | | | | | | | | | | Log DC init but default log level to 0 (default for amdgpu_dc_log) otherwise. Bug reporters can still make DC more chatty by using the dc_log module param. amdgpu.dc_log = 1 v2: Only provide runtime option, no compile time config Signed-off-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Pass log_mask from DMHarry Wentland2017-09-276-38/+42
| | | | | | | Linux and Windows often desire different log levels. Signed-off-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amdgpu: Add dc_log module parameterHarry Wentland2017-09-272-0/+5
| | | | | | | | We want to make DC less chatty but still allow bug reporters to provide more detailed logs. Signed-off-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Clean Kconfig formattingHarry Wentland2017-09-271-5/+5
| | | | | Signed-off-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Update include to bring in line with internal treeHarry Wentland2017-09-272-0/+2
| | | | | Signed-off-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Change comments to bring in line with internal treeHarry Wentland2017-09-272-6/+4
| | | | | Signed-off-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Format changes to bring in line with internal treeHarry Wentland2017-09-273-6/+5
| | | | | Signed-off-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Disable FBC for linear tilingRoman Li2017-09-271-0/+4
| | | | | | | | - Fixing text console on FBC-enabled builds Signed-off-by: Roman Li <Roman.Li@amd.com> Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Update DPP registersVitaly Prosyak2017-09-271-12/+6
| | | | | | | | Signed-off-by: Vitaly Prosyak <vitaly.prosyak@amd.com> Reviewed-by: Charlene Liu <Charlene.Liu@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Create fake sink if needed when commit streamHarry Wentland2017-09-272-1/+30
| | | | | | | | | | | | | | | | | | | The problem we're trying to fix is this (and similar): 1) X Desktop with single display 2) VT switch 3) Unplug display 4) VT switch back to X 5) re-plug same display Before this we'd fail at step 4 when trying to create a dc_stream_state because of a missing sink. This change will fake a sink in this case. The same scenario applies to S3 resume. Signed-off-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Break out amdgpu_dm_connectorHarry Wentland2017-09-276-103/+146
| | | | | | | | | | Stop using amdgpu_connector and roll our own. There is no overlap with amdgpu. Signed-off-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Add 2X Cursor Magnification Codepana2017-09-272-2/+11
| | | | | | | Signed-off-by: Pandey, Arun <Arun.Pandey@amd.com> Reviewed-by: Charlene Liu <Charlene.Liu@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: No need to keep track of unreffed clk sourcesHarry Wentland2017-09-275-52/+16
| | | | | | | | | This simplifies clock source reprogramming a bit. Signed-off-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: move dwb registers to header fileYue Hin Lau2017-09-273-288/+289
| | | | | | | Signed-off-by: Yue Hin Lau <Yuehin.Lau@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: remove output_format from ipp_setupEric Bernstein2017-09-276-12/+7
| | | | | | | Signed-off-by: Eric Bernstein <eric.bernstein@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Remove switching of clk sources at end of commitHarry Wentland2017-09-271-36/+0
| | | | | | | | | | | | | This should be taken care of in validate now. All of timing sync is quite broken at the moment anyways. Will submit another patch set to address that. Signed-off-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Power down clock source at commitHarry Wentland2017-09-274-21/+46
| | | | | | | | | Still one more in dc_validate_global Signed-off-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Don't reset clock source at unrefHarry Wentland2017-09-274-19/+35
| | | | | | | | | | Powering down the clock source during unref is unsafe as we might want to unref during atomic_check Signed-off-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: seperate dpp_cm_helper functions into new fileYue Hin Lau2017-09-275-155/+330
| | | | | | | Signed-off-by: Yue Hin Lau <Yuehin.Lau@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Fix context alloc failed loggingAndrew Jiang2017-09-271-5/+4
| | | | | | | | | | | | | Since there was no return statement in the fail block immediately preceding the context_alloc_fail block, any failure within the function caused a context alloc failed error message to be printed. Since the context_alloc_fail block is only used once, move it to where the goto is directly and accompany it with a return statement. Signed-off-by: Andrew Jiang <Andrew.Jiang@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: fix default ditheringTony Cheng2017-09-273-26/+24
| | | | | | | | | | | bug: default is mapped to no dithering. default to spatial dithering based on color depth Signed-off-by: Tony Cheng <tony.cheng@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Enable dcn10_power_on_fe log by defaultHarry Wentland2017-09-271-2/+2
| | | | | | | | | | This should only happen on full update. If this ever happens on regular pageflips it needs to be debugged. Signed-off-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: fix crc_source_select use hardcoded color depthCharlene Liu2017-09-271-1/+19
| | | | | | | Signed-off-by: Charlene Liu <charlene.liu@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: set CP2520 Test pattern to use ↵Wenjing Liu2017-09-271-1/+1
| | | | | | | | | DP_TEST_PATTERN_HBR2_COMPLIANCE_EYE Signed-off-by: Wenjing Liu <Wenjing.Liu@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: USB-C to HDMI dongle not lightHersen Wu2017-09-273-16/+33
| | | | | | | | | | | | | | | RV1 support only USB-C active DP-2-HDMI dongle. HPD short pulse is generated only for DP signal. When processing HPD short pulse, it must be DP active dongle. No need for I2C-Over-AUX detection. v2: Add description Signed-off-by: Hersen Wu <hersenxs.wu@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: dce110: fix plane validationShirish S2017-09-271-13/+6
| | | | | | | | | | | | | | For MPO to work with per surface rendering and flipping, the previous logic of restricting plane[1] only as underlay needs to be removed. validate_surface_sets() now checks only the width and height bounds in case of underlay rather than checking format. Without this patch one cannot set underlay only. Signed-off-by: Shirish S <shirish.s@amd.com> Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Request to have DCN RV pipe HarvestingHersen Wu2017-09-271-12/+43
| | | | | | | | | | TODO: Current change only work for sucessive last fused pipe, like p3, or p3,p2. It does not work for fused p1,p2. Signed-off-by: Hersen Wu <hersenxs.wu@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Use TPS4 instead of CP2520_3 for phy pattern 7Wenjing Liu2017-09-271-1/+1
| | | | | | | | | | | | | | [Description] We originally use TPS4 phy test pattern for test pattern 7. On RV we switched to a new method to use CP2520. CP2520 should produce the same result. However in reality, it fails DP PHY automation test. We use the original method instead. Signed-off-by: Wenjing Liu <Wenjing.Liu@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Remove sanity check.Yongqiang Sun2017-09-271-6/+0
| | | | | | | Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Added negative check for vertical line start.Yongqiang Sun2017-09-271-3/+7
| | | | | | | | | | In case of vstartup happens before vsync, set vertical line start to 0. Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Get OTG info if OTG master enabledLogatharshan Thothiralingam2017-09-273-1/+9
| | | | | | | Signed-off-by: Logatharshan Thothiralingam <logatharshan.thothiralingam@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amdgpu: Remove unused flip_flags from amdgpu_crtcHarry Wentland2017-09-271-1/+0
| | | | | | | | No more need since Andrey's change to use drm_crtc's version Signed-off-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: clean up cm register programming functionsYue Hin Lau2017-09-272-295/+76
| | | | | | | Signed-off-by: Yue Hin Lau <Yuehin.Lau@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: delete dead codeTony Cheng2017-09-271-3/+3
| | | | | | | Signed-off-by: Tony Cheng <tony.cheng@amd.com> Reviewed-by: Yongqiang Sun <yongqiang.sun@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Don't spam log with failed validationHarry Wentland2017-09-271-5/+0
| | | | | | | | | | | In a lot of case we fail validation of timings for legitimate reasons. No need to print an error. Signed-off-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Restore missing DCE8 xfm regsHarry Wentland2017-09-272-3/+13
| | | | | | | | Signed-off-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Roman Li <Roman.Li@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Set add_stream_ctx for CZ, Hawaii and othersHarry Wentland2017-09-274-0/+45
| | | | | | | Signed-off-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Disable OTG double buffer.Yongqiang Sun2017-09-271-3/+0
| | | | | | | Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: Program reg for vertical interrupt.Yongqiang Sun2017-09-272-0/+14
| | | | | | | Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: program fbc for scatter/gatherRoman Li2017-09-271-2/+16
| | | | | | | | Fixing screen flickering when FBC enabled on Stoney Signed-off-by: Roman Li <Roman.Li@amd.com> Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: add backlight control in blankstream.Charlene Liu2017-09-271-2/+7
| | | | | | | Signed-off-by: Charlene Liu <charlene.liu@amd.com> Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* drm/amd/display: not override the FMT setting set by VBIOS for eDPCharlene Liu2017-09-271-2/+5
| | | | | | | Signed-off-by: Charlene Liu <charlene.liu@amd.com> Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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