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8027 Commits

Author SHA1 Message Date
Tom St Denis
d2b2562c23 drm/amd/display: Replace block with strncpy() in fill_audio_info() 
Replace inlined strncpy with library call.

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Acked-by: Andrey Grodzovsky  <andey.grodzovsky@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:53:29 -04:00
Tom St Denis
8440c30463 drm/amd/display: Fix brace style in amdgpu_dm_initialize_drm_device() 
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Acked-by: Andrey Grodzovsky  <andey.grodzovsky@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:53:26 -04:00
Tom St Denis
53cbf65c14 drm/amd/display: Simplify handle_hpd_rx_irq() 
There is a local reference to the dc_link that wasn't being
used so we shorten references throughout the function.

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Acked-by: Andrey Grodzovsky  <andey.grodzovsky@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:53:22 -04:00
Tom St Denis
d4a6e8a90f drm/amd/display: Fix brace style in dm_handle_hpd_rx_irq() 
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Acked-by: Andrey Grodzovsky  <andey.grodzovsky@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:53:19 -04:00
Tom St Denis
900b3cb183 drm/amd/display: Fix brace style in amdgpu_dm_update_connector_after_detect() 
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Acked-by: Andrey Grodzovsky  <andey.grodzovsky@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:53:16 -04:00
Tom St Denis
1fb0c9ccb3 drm/amd/display: Fix indentation in dm_resume() 
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Acked-by: Andrey Grodzovsky  <andey.grodzovsky@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:53:13 -04:00
Tom St Denis
32f5062d1c drm/amd/display: Fix indentation in dm_suspend() 
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Acked-by: Andrey Grodzovsky  <andey.grodzovsky@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:53:10 -04:00
Tom St Denis
33be278547 drm/amd/display: Simplify dm_late_init() 
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Acked-by: Andrey Grodzovsky  <andey.grodzovsky@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:53:06 -04:00
Dave Airlie
299f27fd37 amdgpu/dc: inline dml_round_to_multiple 
turns out to be a win to inline this.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:53:03 -04:00
Dave Airlie
b2484b6237 amdgpu/dc: drop dml_util_is_420 
This is unused code.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:52:55 -04:00
Harry Wentland
c6ca449617 drm/amd/display: Add bunch of missing license headers in DML 
All files should have MIT headers.

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:52:48 -04:00
Harry Wentland
16b2f2ed5f amdgpu/dc: inline a bunch of the dml wrappers. 
This reduces the code size.

This is basically a redo of Dave's change with the same name
on top of the latest DML.

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:52:42 -04:00
Harry Wentland
565f26a39d drm/amd/display: Small comment on dc_commit_planes_to_stream 
Having one struct on the stack was somewhat confusing. Also mention
that the whole function should eventually go.

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:52:37 -04:00
Dmytro Laktyushkin
3eea71e36f drm/amd/display: Minor update to DML 
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@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>
 2017-10-21 16:52:32 -04:00
Dmytro Laktyushkin
f63d89066f drm/amd/display: change dml numdpp var to uint 
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@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>
 2017-10-21 16:52:27 -04:00
Tony Cheng
e92b44fdee drm/amd/display: default force_single_disp_pipe_split = 1 on RV 
1080p idle, stutter efficiency goes up from 95.8% to 97.8%
result in 5mW saving from APU and 8mW saving from DDR4

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>
 2017-10-21 16:52:21 -04:00
Harry Wentland
be11749177 drm/amd/display: Remove redundant condition in dml vba 
Found by 0-day
https://lists.freedesktop.org/archives/dri-devel/2017-October/154698.html

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@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>
 2017-10-21 16:52:14 -04:00
Tony Cheng
9e7da3268a drm/amd/display: dal 3.1.07 
- regression fixes in dal 3.1.06
- more linux upstream backport

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>
 2017-10-21 16:52:07 -04:00
Harry Wentland
bb16bee4b3 drm/amd/display: Reduce stack size of commit_planes_to_stream 
This function likes to blow 1024 stack size when something is
added to the addr struct. For now just dynamically allocate.

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>
 2017-10-21 16:52:02 -04:00
Harry Wentland
1bed4d09a4 drm/amd/display: Fix one more place for dc_stream_state leak 
One more thing that happened due to uneven applying of patches. This
mirrors what Darren Salt fixed.

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:51:54 -04:00
Harry Wentland
75e6889120 drm/amd/display: Move OS types to os_types.h 
Some of this stuff is not really dm_services

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>
 2017-10-21 16:51:49 -04:00
Hersen Wu
b9b171fffc drm/amd/display: LGD panel willl flash line under window 
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>
 2017-10-21 16:51:44 -04:00
Tony Cheng
6b29f4424e drm/amd/display: DAL 3.1.06 
Raven bug fixes
- RS3 MPO stability improvement
- SLS fixes
- AM4 fixes

DAL 3.1
- merge in upstream patches from DRM maintainer Dave Arilie
- hubp, dpp HW objects

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>
 2017-10-21 16:51:36 -04:00
Yue Hin Lau
dd93752b64 drm/amd/display: rename dscl functions 
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>
 2017-10-21 16:51:31 -04:00
Yongqiang Sun
62c933f9c6 drm/amd/display: WA for 3 display play video hot plug. 
Three monitor connected and playing a video will
	occupy all 4 pipes, if hot plug forth display,
	commit streams will be failed due to no free pipe
	can be found.
	Work around:
	When forth monitor connected, mark video plane as
	a fake plane, remove it in dc, keep it in dm and
	report address to OS, until OS turn off MPO.

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>
 2017-10-21 16:51:25 -04:00
Andrew Jiang
4e527c01aa drm/amd/display: Add DIGD case when getting retimer settings 
One of the HDMI ports map to DIGD, which we did not map to DP3 ext
HDMI settings. Add the DIGD case so that we can get proper retimer
settings from SBIOS for that port.

Signed-off-by: Andrew Jiang <Andrew.Jiang@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>
 2017-10-21 16:51:19 -04:00
Andrew Jiang
3e5e22154a drm/amd/display: Add chip mask to HDMI retimer/redriver check 
There were cases where the chip caps held additional bits that led to
the retimer/redriver check failing; use the proper mask to ensure that
we have only the bits that we care about for the check in question.

Signed-off-by: Andrew Jiang <Andrew.Jiang@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>
 2017-10-21 16:51:14 -04:00
Andrew Jiang
58bb0e63dd drm/amd/display: Correct timings in build scaling params 
A previous patch set the addressable timing as active + border,
when in fact, the VESA standard specifies active as equal to
addressable + border.

This patch makes the fix more correct and in line with the standard.

Signed-off-by: Andrew Jiang <Andrew.Jiang@amd.com>
Reviewed-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>
 2017-10-21 16:51:08 -04:00
Eric Bernstein
9a5bcd47ea drm/amd/display: check SR_WATERMARK regs prior to write 
Signed-off-by: Eric Bernstein <eric.bernstein@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>
 2017-10-21 16:51:03 -04:00
Dave Airlie
2126732fda drm/amd/display: drop display_pipe_clocks.c. 
This code isn't used at all in the kernel tree, perhaps it can wait to
be imported when it is. It also does a lot of floating point calcs,
so probably good to drop it until it's needed and we can ensure
proper fpu accessors.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:50:58 -04:00
Harry Wentland
c12a7ba543 drm/amd/display: Fix up some whitespace in handle_cursor_update 
Use combo of tabs and spaces

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Alex Deucher <alexander.deucher@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>
 2017-10-21 16:50:53 -04:00
Harry Wentland
4beb50ff5e drm/amd/display: Fix warning about uninitialized variable 
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:50:48 -04:00
Andrew Jiang
b0f8d4e963 drm/amd/display: Don't set cursor address is 0 logging as errors 
This actually happens quite a bit, and having it as an error causes
false positive messages when running tests.

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>
 2017-10-21 16:50:43 -04:00
kbuild test robot
2979d7e973 drm/amd/display: fix ifnullfree.cocci warnings 
drivers/gpu/drm/amd/amdgpu/../display/dc/gpio/gpio_service.c:134:3-8: WARNING: NULL check before freeing functions like kfree, debugfs_remove, debugfs_remove_recursive or usb_free_urb is not needed. Maybe consider reorganizing relevant code to avoid passing NULL values.
drivers/gpu/drm/amd/amdgpu/../display/dc/gpio/gpio_service.c:175:4-9: WARNING: NULL check before freeing functions like kfree, debugfs_remove, debugfs_remove_recursive or usb_free_urb is not needed. Maybe consider reorganizing relevant code to avoid passing NULL values.

 NULL check before some freeing functions is not needed.

 Based on checkpatch warning
 "kfree(NULL) is safe this check is probably not required"
 and kfreeaddr.cocci by Julia Lawall.

Generated by: scripts/coccinelle/free/ifnullfree.cocci

Fixes: f09cd1f46388 ("drm/amd/display: Use kernel alloc/free")
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:50:37 -04:00
kbuild test robot
1a7e4f7407 drm/amd/dc: fix semicolon.cocci warnings 
drivers/gpu/drm/amd/amdgpu/../display/dc/gpio/gpio_service.c:134:2-3: Unneeded semicolon

 Remove unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci

Fixes: 80be23c57868 ("drm/amd/dc: Add dc display driver (v2)")
CC: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:50:31 -04:00
Harry Wentland
085b017bf8 drm/amd/display: Fix warning about overflow 
v2: convert value to bool using !!

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:50:26 -04:00
Harry Wentland
94c6d735e9 drm/amd/display: Fix non-DCN build 
Acquire_first_split_pipe only makes sense for DCN.

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:50:21 -04:00
Leo (Sunpeng) Li
5771ec8fe8 drm/amd/display: ASSERT on dc_create_state failing. 
dc_create_state() returns NULL on allocation failure. Raise warning when
that happens.

Signed-off-by: Leo (Sunpeng) Li <sunpeng.li@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:50:16 -04:00
Leo (Sunpeng) Li
9a5d9c48d8 drm/amd/display: Report stream as different on scaling change 
When scaling is enabled, our preference is to scale up to the prefered
(native) mode. This means that hardware timings will be the same across
a modeset.

Therefore, also report mode as changed if source or destination
rectangle is different.

Signed-off-by: Leo (Sunpeng) Li <sunpeng.li@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:50:10 -04:00
Dmytro Laktyushkin
199e458aaf drm/amd/display: Set addressable region as active + border 
This ensures that we do not draw the blank region onscreen, and that we
do underscan instead.

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>
 2017-10-21 16:50:04 -04:00
Dmytro Laktyushkin
215a6f05bc drm/amd/display: add performance trace macro to dc 
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@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>
 2017-10-21 16:50:00 -04:00
Jerry Zuo
9bbc30310f drm/amd/display: Remove a false-positive error message 
To avoid confusion, need to suppress the error message when get
-ERESTARTSYS error code. It is normal when getting interrupted
by signals in the process of a wait for the buffer to become
unreserved. Only propagate to user-mode for further action,
no need to pop up error message.

Signed-off-by: Jerry Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Sun peng Li <Sunpeng.Li@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:49:53 -04:00
Leo (Sunpeng) Li
3df8fcafb7 drm/amd/display: Do not set bandwidth on page flips. 
Which removes a lockdep warning for a possible deadlock situation:

While holding the drm event mutex (hard irq safe),
dc_post_update_surfaces_to_stream eventually acquires the atom context
lock, which is hard irq unsafe. We should only be calling it on full
updates anyways.

Also remove a redundant call to dc_post_update_surfaces_to_stream,
dc_commit_updates_for_stream already calls it.

Signed-off-by: Leo (Sunpeng) Li <sunpeng.li@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:49:45 -04:00
Yue Hin Lau
d94585a06b drm/amd/display: rename transform to dpp for dcn 
Signed-off-by: Yue Hin Lau <Yuehin.Lau@amd.com>
Reviewed-by: Eric Bernstein <Eric.Bernstein@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:49:40 -04:00
Yue Hin Lau
39a4e6608f drm/amd/display: add null check for cursor functions 
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>
 2017-10-21 16:49:35 -04:00
Eric Yang
e6f4f9cfde drm/amd/display: fix null dereference in reset hw ctx 
Signed-off-by: Eric Yang <Eric.Yang2@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>
 2017-10-21 16:49:29 -04:00
Jerry Zuo
886daac91d drm/amd/display: Fix a logic defect in cursor move 
Regression caused by: Ib98354194d7

Need to check crtc->stream before updating cursor attributes
and position.

Signed-off-by: Jerry Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Roman Li <Roman.Li@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:49:23 -04:00
Vitaly Prosyak
3411eac1a1 drm/amd/display: [RV] bug in cm programming 
When surface bigger then 10 bpc the output pixel
does not match to the required value.Update CRC's.

Signed-off-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Reviewed-by: Jordan Lazare <Jordan.Lazare@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:49:18 -04:00
Bhawanpreet Lakha
be5a55dc3d drm/amd/display: change when to set tap_hardcode_coeff 
Set hardcode_coeff only when BOTH chroma and luma taps are
more than 1

without this underscan with h or v set to 0 darkens
the screen (either h or v set to 0, not both)

Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@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>
 2017-10-21 16:49:12 -04:00
Eric Bernstein
8534575fed drm/amd/display: Expose some MPC functions for reuse 
Signed-off-by: Eric Bernstein <eric.bernstein@amd.com>
Reviewed-by: Eric Bernstein <Eric.Bernstein@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2017-10-21 16:49:08 -04:00