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linux-stable-mirror/drivers/gpu/drm/ast
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Jocelyn Falempe 3dd0be7a30 drm/ast: Handle framebuffer from dma-buf 
In the atomic update callback, ast should call
drm_gem_fb_begin_cpu_access() to make sure it can read the
framebuffer from the CPU, otherwise the data might not be there due
to cache, and synchronization.

Tested on a Lenovo SE100, while rendering on the ArrowLake GPU with
i915 driver, and using ast for display.

Suggested-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20251030091627.340780-1-jfalempe@redhat.com
Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com>
2025-11-10 16:02:13 +01:00
..
ast_2000.c
drm/ast: Store CRTC memory request threshold in device quirks
2025-10-15 09:59:43 +02:00
ast_2100.c
drm/ast: Store CRTC memory request threshold in device quirks
2025-10-15 09:59:43 +02:00
ast_2200.c
drm/ast: Store CRTC memory request threshold in device quirks
2025-10-15 09:59:43 +02:00
ast_2300.c
drm/ast: Store CRTC memory request threshold in device quirks
2025-10-15 09:59:43 +02:00
ast_2400.c
drm/ast: Store CRTC memory request threshold in device quirks
2025-10-15 09:59:43 +02:00
ast_2500.c
drm/ast: Store precatch settings in struct ast_device_quirks
2025-10-15 09:59:44 +02:00
ast_2600.c
drm/ast: Store HSync adjustment in device quirks
2025-10-15 09:59:47 +02:00
ast_cursor.c
…
ast_ddc.c
…
ast_ddc.h
…
ast_dp501.c
…
ast_dp.c
drm/ast: Use msleep instead of mdelay for edid read
2025-09-19 08:46:33 +02:00
ast_drv.c
drm/ast: Support device quirks
2025-10-15 09:59:41 +02:00
ast_drv.h
drm/ast: Store HSync adjustment in device quirks
2025-10-15 09:59:47 +02:00
ast_mm.c
…
ast_mode.c
drm/ast: Handle framebuffer from dma-buf
2025-11-10 16:02:13 +01:00
ast_post.c
drm/ast: Split ast_set_def_ext_reg() by chip generation
2025-07-09 14:36:21 +02:00
ast_post.h
drm/ast: Gen7: Switch default registers to gen4+ state
2025-07-09 14:36:23 +02:00
ast_reg.h
drm/ast: Blank with VGACR17 sync enable, always clear VGACRB6 sync off
2025-10-15 09:55:35 +02:00
ast_sil164.c
…
ast_tables.h
drm/ast: Move display-clock tables to per-Gen source files
2025-09-29 13:28:07 +02:00
ast_vbios.c
…
ast_vbios.h
…
ast_vga.c
…
Kconfig
…
Makefile
drm/ast: Remove generic device initialization
2025-09-29 13:28:16 +02:00