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linux/drivers/gpu/drm/tilcdc
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Bartosz Golaszewski f97fd383d9 drm: tilcdc: simplify the recovery from sync lost error on rev1 
Revision 2 of LCDC suffers from an issue where a SYNC_LOST error
caused by limited memory bandwidth may leave the picture shifted a
couple pixels to the right.

This issue has not been observed on revision 1, while the recovery
mechanism introduces a different issue, where the END_OF_FRAME
interrupt doesn't fire while drm is waiting for vblanks.

On rev1: recover from sync lost errors by simply clearing the
RASTER_ENABLE bit in the RASTER_CTRL register and re-enabling it
again as is suggested by the datasheet.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Jyri Sarha <jsarha@ti.com>
2017-01-04 10:22:16 +02:00
..
Kconfig drm/tilcdc: make fbdev support really optional 2016-07-18 09:11:38 +02:00
Makefile drm/tilcdc: Add dummy primary plane implementation 2016-08-08 23:05:00 +03:00
tilcdc_crtc.c drm: tilcdc: simplify the recovery from sync lost error on rev1 2017-01-04 10:22:16 +02:00
tilcdc_drv.c drm/tilcdc: fix parsing of some DT properties 2016-11-30 14:20:16 +02:00
tilcdc_drv.h drm/tilcdc: Fix tilcdc_crtc_create() return value handling 2016-11-30 14:18:53 +02:00
tilcdc_external.c drm/tilcdc: Add drm bridge support for attaching drm bridge drivers 2016-11-30 14:17:52 +02:00
tilcdc_external.h drm/tilcdc: Add drm bridge support for attaching drm bridge drivers 2016-11-30 14:17:52 +02:00
tilcdc_panel.c drm/tilcdc: Remove obsolete drm_connector_register() calls 2016-11-29 21:03:18 +02:00
tilcdc_panel.h
tilcdc_plane.c drm: tilcdc: Replace drm_fb_get_bpp_depth() with drm_format_plane_cpp() 2016-10-18 15:21:57 +05:30
tilcdc_regs.h drm/tilcdc: Enable frame done irq and functionality for LCDC rev 1 2016-11-30 14:20:03 +02:00
tilcdc_slave_compat.c drm/tilcdc: Return directly after a failed kfree_table_init() in tilcdc_convert_slave_node() 2016-09-23 13:49:52 +03:00
tilcdc_slave_compat.dts drm/tilcdc: Add DRM_TILCDC_SLAVE_COMPAT for ti,tilcdc,slave binding support 2015-05-27 13:13:33 +03:00
tilcdc_slave_compat.h drm/tilcdc: Add DRM_TILCDC_SLAVE_COMPAT for ti,tilcdc,slave binding support 2015-05-27 13:13:33 +03:00
tilcdc_tfp410.c drm/tilcdc: Remove obsolete drm_connector_register() calls 2016-11-29 21:03:18 +02:00
tilcdc_tfp410.h