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d3b6b11161
linux/drivers/gpu/drm/ast
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Thomas Zimmermann 8d6ef26501 drm/ast: Disconnect BMC if physical connector is connected 
Many user-space compositors fail with mode setting if a CRTC has
more than one connected connector. This is the case with the BMC
on Aspeed systems. Work around this problem by setting the BMC's
connector status to disconnected when the physical connector has
a display attached. This way compositors will only see one connected
connector at a time; either the physical one or the BMC.

Suggested-by: Jocelyn Falempe <jfalempe@redhat.com>
Fixes: e329cb53b4 ("drm/ast: Add BMC virtual connector")
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Cc: <stable@vger.kernel.org> # v6.6+
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231116130217.22931-1-tzimmermann@suse.de
2023-11-21 09:40:08 +01:00
..
ast_dp501.c drm/ast: Rename AST_IO_CRTC_PORT to AST_IO_VGACRI 2023-10-19 13:55:33 +02:00
ast_dp.c drm/ast: Rename AST_IO_CRTC_PORT to AST_IO_VGACRI 2023-10-19 13:55:33 +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: Call drm_atomic_helper_shutdown() at shutdown time for misc drivers 2023-09-21 10:41:04 -07:00
ast_drv.h drm/ast: Disconnect BMC if physical connector is connected 2023-11-21 09:40:08 +01:00
ast_i2c.c drm/ast: Rename AST_IO_CRTC_PORT to AST_IO_VGACRI 2023-10-19 13:55:33 +02:00
ast_main.c drm/ast: Rename AST_IO_CRTC_PORT to AST_IO_VGACRI 2023-10-19 13:55:33 +02:00
ast_mm.c drm/ast: Rename AST_IO_CRTC_PORT to AST_IO_VGACRI 2023-10-19 13:55:33 +02:00
ast_mode.c drm/ast: Disconnect BMC if physical connector is connected 2023-11-21 09:40:08 +01:00
ast_post.c drm/ast: Rename AST_IO_CRTC_PORT to AST_IO_VGACRI 2023-10-19 13:55:33 +02:00
ast_reg.h drm/ast: Move register constants to ast_reg.h 2023-10-19 13:55:44 +02:00
ast_tables.h drm/ast: Add resolution support for 1152x864@75 2022-09-20 10:19:32 +02:00
Kconfig drm: Only select I2C_ALGOBIT for drivers that actually need it 2023-01-10 11:15:44 +01:00
Makefile drm/ast: Create the driver for ASPEED proprietory Display-Port 2022-05-03 16:04:03 +02:00