linux-stable/drivers/gpu/drm/mxsfb
Uwe Kleine-König 6d6defd421
drm/mxsfb: improve clk handling for axi clk
Ignoring errors from devm_clk_get() is wrong. To handle not all platforms
having an axi clk use devm_clk_get_optional() instead and do proper error
handling.

Also the clk API handles NULL as a dummy clk (which is also returned by
devm_clk_get_optional() if there is no clk) so there is no need to check
for NULL before calling clk_prepare_enable() or its counter part.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200720153254.18071-1-u.kleine-koenig@pengutronix.de
2023-01-10 11:04:56 +01:00
..
Kconfig drm: mxsfb: DRM_MXSFB should depend on ARCH_MXS || ARCH_MXC 2022-11-25 22:47:34 +01:00
lcdif_drv.c drm/fb-helper: Move generic fbdev emulation into separate source file 2022-11-05 17:12:04 +01:00
lcdif_drv.h drm/lcdif: Clean up headers 2022-08-22 16:53:29 +02:00
lcdif_kms.c drm: lcdif: Set and enable FIFO Panic threshold 2022-11-09 01:31:45 +01:00
lcdif_regs.h drm: lcdif: Set and enable FIFO Panic threshold 2022-11-09 01:31:45 +01:00
Makefile drm: lcdif: Add support for i.MX8MP LCDIF variant 2022-06-29 01:44:48 +02:00
mxsfb_drv.c drm/mxsfb: improve clk handling for axi clk 2023-01-10 11:04:56 +01:00
mxsfb_drv.h drm: mxsfb: Implement LCDIF scanout CRC32 support 2022-05-05 01:03:49 +02:00
mxsfb_kms.c drm/gem: rename struct drm_gem_dma_object.{paddr => dma_addr} 2022-08-03 18:32:27 +02:00
mxsfb_regs.h drm: mxsfb: Implement LCDIF scanout CRC32 support 2022-05-05 01:03:49 +02:00