linux-stable/drivers/gpu/drm/ast
Thomas Zimmermann 202fb33be3 drm/ast: Avoid reprogramming primary-plane scanout address
Some AST-based BMCs stop display output for up to 5 seconds after
reprogramming the scanout address. As the address is fixed, avoid
re-setting the address' value.

v2:
	* only update offset if it changed (Jocelyn)

Reported-by: Jocelyn Falempe <jfalempe@redhat.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Tested-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221013112923.769-9-tzimmermann@suse.de
2022-10-16 11:17:04 +02:00
..
ast_dp.c drm/ast: Fixed the casting issue reported by sparse 2022-06-24 09:37:32 +02:00
ast_dp501.c drm/ast: Support multiple outputs 2022-06-08 13:16:15 +02:00
ast_dram_tables.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ast_drv.c drm/ast: Convert ast to SHMEM 2022-10-16 11:16:50 +02:00
ast_drv.h drm/ast: Convert ast to SHMEM 2022-10-16 11:16:50 +02:00
ast_i2c.c drm/ast: Move I2C code into separate source file 2021-12-16 12:29:22 +01:00
ast_main.c drm/ast: Convert ast to SHMEM 2022-10-16 11:16:50 +02:00
ast_mm.c drm/ast: Convert ast to SHMEM 2022-10-16 11:16:50 +02:00
ast_mode.c drm/ast: Avoid reprogramming primary-plane scanout address 2022-10-16 11:17:04 +02:00
ast_post.c drm/ast: Support multiple outputs 2022-06-08 13:16:15 +02:00
ast_tables.h drm/ast: Add resolution support for 1152x864@75 2022-09-20 10:19:32 +02:00
Kconfig drm/ast: Convert ast to SHMEM 2022-10-16 11:16:50 +02:00
Makefile drm/ast: Create the driver for ASPEED proprietory Display-Port 2022-05-03 16:04:03 +02:00