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2018-02-20drm/tinydrm: Replace tinydrm_of_find_backlight with of_find_backlightMeghana Madhyastha
Remove tinydrm_of_find_backlight from tinydrm-helpers.c. We now have a generic of_find_backlight defined in backlight.c. Let the callers of tinydrm_of_find_backlight call of_find_backlight. Also, remove select BACKLIGHT_LCD_SUPPORT and select BACKLIGHT_CLASS_DEVICE from tinydrm/Kconfig as it is a hack that is no longer needed. Reviewed-by: Noralf Trønnes <noralf@tronnes.org> Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Meghana Madhyastha <meghana.madhyastha@gmail.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/11dd1cabd098a730d07ab04c5987b139d14d8b21.1516810725.git.meghana.madhyastha@gmail.com
2018-02-20drm/tinydrm: Convert tinydrm_enable/disable_backlight to ↵Meghana Madhyastha
backlight_enable/disable Remove tinydrm_enable/disable_backlight and let the callers call the more generic backlight_enable/disable helpers Reviewed-by: Noralf Trønnes <noralf@tronnes.org> Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Meghana Madhyastha <meghana.madhyastha@gmail.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/ec700724e47814e6426966e093bd32b2364ba147.1516810725.git.meghana.madhyastha@gmail.com
2018-01-15drm/tinydrm/mi0283qt: Let the display pipe handle powerNoralf Trønnes
It's better to leave power handling and controller init to the modesetting machinery using the simple pipe .enable and .disable callbacks. Remove unused mipi_dbi_pipe_enable(). Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Reviewed-by: David Lechner <david@lechnology.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180110185940.53841-6-noralf@tronnes.org
2018-01-15drm/tinydrm/mipi-dbi: Add poweron-reset functionsNoralf Trønnes
Split out common poweron-reset functionality. Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Reviewed-by: David Lechner <david@lechnology.com> Tested-by: David Lechner <david@lechnology.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180110185940.53841-5-noralf@tronnes.org
2018-01-15drm/tinydrm/mipi-dbi: Add mipi_dbi_enable_flush()Noralf Trønnes
Add and use a function for enabling, flushing and turning on backlight. Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Reviewed-by: David Lechner <david@lechnology.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180110185940.53841-4-noralf@tronnes.org
2018-01-15drm/tinydrm/mi0283qt: Remove ili9341.hNoralf Trønnes
No need for a public header file for the command macros. Just include the necessary ones in the driver. Also use the MIPI_DCS_PIXEL_FMT_16BIT macro. Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Reviewed-by: David Lechner <david@lechnology.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180110185940.53841-3-noralf@tronnes.org
2017-12-10drm/tinydrm: Use drm_fb_cma_fbdev_init_with_funcs/fini()Noralf Trønnes
Use drm_fb_cma_fbdev_init_with_funcs() and drm_fb_cma_fbdev_fini() which relies on the fact that drm_device holds a pointer to the drm_fb_helper structure. This means that the driver doesn't have to keep track of that. Also use the drm_fb_helper functions directly. Remove todo entry. Cc: David Lechner <david@lechnology.com> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Acked-by: David Lechner <david@lechnology.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Tested-by: David Lechner <david@lechnolgy.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171208193743.34450-11-noralf@tronnes.org
2017-12-01drm/tinydrm: export mipi_dbi_buf_copy and mipi_dbi_spi_cmd_max_speedDavid Lechner
This exports the mipi_dbi_buf_copy() and mipi_dbi_spi_cmd_max_speed() functions so that they can be shared with other drivers. Signed-off-by: David Lechner <david@lechnology.com> Reviewed-by: Noralf Trønnes <noralf@tronnes.org> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Link: https://patchwork.freedesktop.org/patch/msgid/1511122328-31133-4-git-send-email-david@lechnology.com
2017-11-30drm/tinydrm: Use drm_mode_config_helper_suspend/resume()Noralf Trønnes
Replace driver's code with the generic helpers that do the same thing. Remove todo entry. Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Reviewed-by: Stefan Agner <stefan@agner.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20171106191812.38927-6-noralf@tronnes.org
2017-11-11drm/tinydrm: Use drm_gem_cma_print_info()Noralf Trønnes
There is a new core debugfs file that prints fb/gem info: <debugfs>/dri/<n>/framebuffer Use drm_gem_cma_print_info() to provide info to that output instead of using drm_fb_cma_debugfs_show(). Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171107191348.17555-12-noralf@tronnes.org
2017-08-09drm/tinydrm: Generalize tinydrm_xrgb8888_to_gray8()David Lechner
This adds parameters for vaddr and clip to tinydrm_xrgb8888_to_gray8() to make it more generic. dma_buf_{begin,end}_cpu_access() are moved out to the repaper driver. Return type is change to void to simplify error handling by callers. Signed-off-by: David Lechner <david@lechnology.com> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Link: https://patchwork.freedesktop.org/patch/msgid/1502127581-10517-2-git-send-email-david@lechnology.com
2017-08-04drm/tinydrm: remove call to mipi_dbi_init() from mipi_dbi_spi_init()David Lechner
This removes the call to mipi_dbi_init() from mipi_dbi_spi_init() so that drivers can have a driver-specific implementation if needed. Suggested-by: Noralf Trønnes <noralf@tronnes.org> Signed-off-by: David Lechner <david@lechnology.com> Reviewed-by: Noralf Trønnes <noralf@tronnes.org> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Link: https://patchwork.freedesktop.org/patch/msgid/1501799630-1650-2-git-send-email-david@lechnology.com
2017-07-29drm/tinydrm: Use .dumb_map_offset and .dumb_destroy defaultsNoralf Trønnes
tinydrm can use the drm_driver.dumb_destroy and drm_driver.dumb_map_offset defaults, so no need to set them. Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Reviewed-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/1500837417-40580-22-git-send-email-noralf@tronnes.org
2017-07-14drm/tinydrm: Add tinydrm_xrgb8888_to_gray8() helperNoralf Trønnes
Drm has no monochrome or greyscale support so add a conversion from the common format XR24. Also reorder includes into the common order. Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Link: http://patchwork.freedesktop.org/patch/msgid/1496934875-51984-4-git-send-email-noralf@tronnes.org
2017-03-27drm/tinydrm: Fix drm_driver.fops.ownerNoralf Trønnes
drm_driver.fops can't be shared since the owner then becomes tinydrm.ko. Move the fops declaration to the driver. v2: Use DEFINE_DRM_GEM_CMA_FOPS Reported-by: Daniel Vetter <daniel.vetter@intel.com> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20170326142529.16938-1-noralf@tronnes.org
2017-02-24drm/tinydrm: helpers: Properly fix backlight dependencyNoralf Trønnes
BACKLIGHT_CLASS_DEVICE was selected in the last version of the tinydrm patchset to fix the backlight dependency, but the ifdef CONFIG_BACKLIGHT_CLASS_DEVICE was forgotten. Fix that. Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2017-02-18drm/tinydrm: Add support for Multi-Inno MI0283QT displayNoralf Trønnes
Add driver to support the Multi-Inno MI0283QT display panel. It has an ILI9341 MIPI DBI compatible display controller. Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Acked-by: Thierry Reding <treding@nvidia.com>
2017-02-18drm/tinydrm: Add MIPI DBI supportNoralf Trønnes
Add support for MIPI DBI compatible controllers. Interface type C option 1 and 3 are supported (SPI). Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Acked-by: Thierry Reding <treding@nvidia.com>
2017-02-18drm/tinydrm: Add helper functionsNoralf Trønnes
Add common functionality needed by many tinydrm drivers. Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Thierry Reding <treding@nvidia.com>
2017-02-18drm: Add DRM support for tiny LCD displaysNoralf Trønnes
tinydrm provides helpers for very simple displays that can use CMA backed framebuffers and need flushing on changes. Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Thierry Reding <treding@nvidia.com>
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