linux-stable.git/drivers/gpu/drm/amd/display/dc, branch linux-4.15.y

drm/amd/display: Default HDMI6G support to true. Log VBIOS table error.

2018-03-15T09:56:47+00:00

commit caf0a9030d75509f3cacefe466d6d69d26e3dee6 upstream.

There have been many reports of Ellesmere and Baffin systems not being
able to drive HDMI 4k60 due to the fact that we check the HDMI_6GB_EN
bit from VBIOS table. Windows seems to not have this issue.

On some systems we fail to the encoder cap info from VBIOS. In that case
we should default to enabling HDMI6G support.

This was tested by dwagner on
https://bugs.freedesktop.org/show_bug.cgi?id=102820

Signed-off-by: Harry Wentland 
Reviewed-by: Roman Li 
Reviewed-by: Tony Cheng 
Acked-by: Harry Wentland 
Signed-off-by: Alex Deucher 
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman

drm/amd/display: check for ipp before calling cursor operations

2018-03-15T09:56:47+00:00

commit d6b6669762898dfc99e9273b8d8603bc47014aa9 upstream.

Currently all cursor related functions are made to all
pipes that are attached to a particular stream.
This is not applicable to pipes that do not have cursor plane
initialised like underlay.
Hence this patch allows cursor related operations on a pipe
only if ipp in available on that particular pipe.

The check is added to set_cursor_position & set_cursor_attribute.

Signed-off-by: Shirish S 
Reviewed-by: Harry Wentland 
Signed-off-by: Alex Deucher 
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman

drm/amd/display: call set csc_default if enable adjustment is false

2018-01-02T19:53:27+00:00

Fixes a greenish tint on RV displays.

Signed-off-by: Yue Hin Lau 
Reviewed-by: Eric Bernstein 
Acked-by: Harry Wentland 
Signed-off-by: Alex Deucher 
[drake@endlessm.com: backport to 4.15]
Signed-off-by: Daniel Drake 
Signed-off-by: Alex Deucher

drm/amd/display: fix missing pixel clock adjustment for dongle

2017-12-15T22:32:27+00:00

Signed-off-by: Eric Yang 
Reviewed-by: Tony Cheng 
Reviewed-by: Andrew Jiang 
Acked-by: Harry Wentland 
Signed-off-by: Alex Deucher

drm/amd/display: set chroma taps to 1 when not scaling

2017-12-15T22:32:18+00:00

Signed-off-by: Dmytro Laktyushkin 
Reviewed-by: Tony Cheng 
Acked-by: Harry Wentland 
Signed-off-by: Alex Deucher

drm/amd/display: add pipe locking before front end programing

2017-12-15T22:32:09+00:00

Add pipe locking/unlocking before we program the front end

Signed-off-by: Bhawanpreet Lakha 
Reviewed-by: Harry Wentland 
Signed-off-by: Alex Deucher

drm/amdgpu: add license to files where it was missing

2017-12-04T16:48:24+00:00

These files were missing it before.

Acked-by: Harry Wentland 
Acked-by: Felix Kuehling 
Acked-by: Christian König 
Signed-off-by: Alex Deucher

drm/amdgpu: add license to Makefiles

2017-12-04T16:47:55+00:00

Was missing license text.

Acked-by: Harry Wentland 
Acked-by: Felix Kuehling 
Acked-by: Christian König 
Signed-off-by: Alex Deucher

drm/amd/display: USB-C / thunderbolt dock specific workaround

2017-11-28T22:57:08+00:00

reading dpcd 0x600 cause link loss for a particular USB-C dock with
thurderbolt.  workaround by avoiding dcpd 0x600 read unless it's
necessary.

Signed-off-by: Hersen Wu 
Reviewed-by: Tony Cheng 
Acked-by: Harry Wentland 
Signed-off-by: Alex Deucher

drm/amd/display: Fix couple more inconsistent NULL checks in dc_resource

2017-11-28T22:56:40+00:00

Found by smatch:
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c:1001
acquire_free_pipe_for_stream() error: we previously assumed 'head_pipe'
could be null (see line 998)
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c:1808
dc_validate_global_state() error: we previously assumed 'new_ctx' could
be null (see line 1778)

Signed-off-by: Harry Wentland 
Reviewed-by: Tony Cheng 
Acked-by: Harry Wentland 
Signed-off-by: Alex Deucher