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3 Commits

Author SHA1 Message Date
Pu Lehui
d29b4295c3 drm/hyperv: Fix unused const variable 'hyperv_modifiers' 
There is a gcc '-Wunused-const-variable' warning:
  drivers/gpu/drm/hyperv/hyperv_drm_modeset.c:152:23: warning:
    'hyperv_modifiers' defined but not used [-Wunused-const-variable=]

while the variable should be used in drm_simple_display_pipe_init()
as suggested by Thomas, let's fix it.

Fixes: 76c56a5affeb ("drm/hyperv: Add DRM driver for hyperv synthetic video device")
Signed-off-by: Pu Lehui <pulehui@huawei.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20210615031401.231751-1-pulehui@huawei.com
 2021-06-15 10:43:35 +02:00
Deepak Rawat
25bfa95656 drm/hyperv: Handle feature change message from device 
Virtual device inform if screen update is needed or not with
SYNTHVID_FEATURE_CHANGE message. Handle this message to set dirt_needed
flag.

Suggested-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Deepak Rawat <drawat.floss@gmail.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20210527112230.1274-2-drawat.floss@gmail.com
 2021-06-07 08:04:10 -07:00
Deepak Rawat
76c56a5aff drm/hyperv: Add DRM driver for hyperv synthetic video device 
DRM driver for hyperv synthetic video device, based on hyperv_fb
framebuffer driver. Also added config option "DRM_HYPERV" to enabled
this driver.

v2:
- Add support for gen2 VM
- Fixed review comments

v3:
- Split into multiple files as suggested by Thomas Zimmermann
- Fixed hibernation issue as suggested by Dexuan Cui
- Use ioremap_cache as suggested by Dexuan Cui
- Incorporated other review comments

v4:
- Fix bitrotted code
- Review comments
- Updated the copyright and license to match hyperv_fb

v5:
- Address review comments and rebased with drm-misc-next

v6:
- Minor code/comment improvement as suggested by Dexuan Cui

Signed-off-by: Deepak Rawat <drawat.floss@gmail.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20210527112230.1274-1-drawat.floss@gmail.com
 2021-06-07 08:04:10 -07:00