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25 Commits

Author SHA1 Message Date
Noralf Trønnes
3db8d37dd8 drm/tinydrm: Use DRM_GEM_CMA_VMAP_DRIVER_OPS 
The CMA helper now has the functionality to ensure a virtual address on
imported buffer so use that.

While touching all tinydrm drivers, remove the unnecessary inclusion of
drm_fb_helper.h in some drivers.

Cc: David Lechner <david@lechnology.com>
Cc: Eric Anholt <eric@anholt.net>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20181110145647.17580-6-noralf@tronnes.org
 2018-11-20 14:58:19 +01:00
Noralf Trønnes
5685ca0ca2 drm/tinydrm: Fix doc build warnings 
include/drm/tinydrm/tinydrm.h:34: warning: Function parameter or member 'fb_dirty' not described in 'tinydrm_device'
drivers/gpu/drm/tinydrm/mipi-dbi.c:272: warning: Function parameter or member 'crtc_state' not described in 'mipi_dbi_enable_flush'
drivers/gpu/drm/tinydrm/mipi-dbi.c:272: warning: Function parameter or member 'plane_state' not described in 'mipi_dbi_enable_flush'

Move struct member docs inline so it's not missed next time.

Cc: David Lechner <david@lechnology.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: David Lechner <david@lechnology.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180710150518.10528-1-noralf@tronnes.org
 2018-07-11 22:24:02 +02:00
Daniel Vetter
ccc3b2b348 drm: Move simple_display_pipe prepare_fb helper into gem fb helpers 
There's nothing tinydrm specific to this, and there's a few more
copies of the same in various other drivers.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Gustavo Padovan <gustavo@padovan.org>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: David Airlie <airlied@linux.ie>
Cc: David Lechner <david@lechnology.com>
Cc: "Noralf Trønnes" <noralf@tronnes.org>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Daniel Stone <daniels@collabora.com>
Cc: Haneen Mohammed <hamohammed.sa@gmail.com>
Cc: Ben Widawsky <ben@bwidawsk.net>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Acked-by: David Lechner <david@lechnology.com>
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180405154449.23038-3-daniel.vetter@ffwll.ch
 2018-04-24 13:57:22 +02:00
Ville Syrjälä
e85d30060e drm/tinydrm: Make fb_dirty into a lower level hook 
mipi_dbi_enable_flush() wants to call the fb->dirty() hook from the
bowels of the .atomic_enable() hook. That prevents us from taking the
plane mutex in fb->dirty() unless we also plumb down the acquire
context.

Instead it seems simpler to split the fb->dirty() into a tinydrm
specific lower level hook that can be called from
mipi_dbi_enable_flush() and from a generic higher level
tinydrm_fb_dirty() helper. As we don't have a tinydrm specific
vfuncs table we'll just stick it into tinydrm_device directly
for now.

v2: Deal with the fb->dirty() in tinydrm_display_pipe_update() as well (Noralf)

Cc: "Noralf Trønnes" <noralf@tronnes.org>
Cc: David Lechner <david@lechnology.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180323153509.15287-1-ville.syrjala@linux.intel.com
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Tested-by: Noralf Trønnes <noralf@tronnes.org>
 2018-03-28 19:19:32 +03:00
Daniel Vetter
a7d2a87e99 drm/tinydrm: Use gem_free_object_unlocked 
tinydrm doesn't use dev->struct_mutex and therefore has no need to use
gem_free_object.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: "Noralf Trønnes" <noralf@tronnes.org>
Acked-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180322105133.11211-2-daniel.vetter@ffwll.ch
 2018-03-27 10:19:42 +02:00
Meghana Madhyastha
d1a2e7004b drm/tinydrm: Replace tinydrm_of_find_backlight with of_find_backlight 
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
 2018-02-20 11:07:22 -05:00
Meghana Madhyastha
414147e8a3 drm/tinydrm: Convert tinydrm_enable/disable_backlight to 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
 2018-02-20 11:07:22 -05:00
Noralf Trønnes
f730eceb42 drm/tinydrm/mi0283qt: Let the display pipe handle power 
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
 2018-01-15 15:16:06 +01:00
Noralf Trønnes
070ab1283a drm/tinydrm/mipi-dbi: Add poweron-reset functions 
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
 2018-01-15 15:13:47 +01:00
Noralf Trønnes
22edc8d38b drm/tinydrm/mipi-dbi: Add mipi_dbi_enable_flush() 
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
 2018-01-15 15:10:28 +01:00
Noralf Trønnes
24e05e7a82 drm/tinydrm/mi0283qt: Remove ili9341.h 
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
 2018-01-15 15:08:50 +01:00
Noralf Trønnes
d3820952ea drm/tinydrm: Use drm_fb_cma_fbdev_init_with_funcs/fini() 
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
 2017-12-10 15:37:07 +01:00
David Lechner
13deee8111 drm/tinydrm: export mipi_dbi_buf_copy and mipi_dbi_spi_cmd_max_speed 
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
 2017-12-01 14:07:16 +01:00
Noralf Trønnes
6e8e9a01ec drm/tinydrm: Use drm_mode_config_helper_suspend/resume() 
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
 2017-11-30 18:19:15 +01:00
Noralf Trønnes
beed8313be drm/tinydrm: Use drm_gem_cma_print_info() 
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
 2017-11-11 11:24:44 +01:00
David Lechner
8941a7cbcc drm/tinydrm: Generalize tinydrm_xrgb8888_to_gray8() 
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
 2017-08-09 17:55:50 +02:00
David Lechner
ace988123c drm/tinydrm: remove call to mipi_dbi_init() from mipi_dbi_spi_init() 
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
 2017-08-04 15:12:25 +02:00
Noralf Trønnes
8810419bdd drm/tinydrm: Use .dumb_map_offset and .dumb_destroy defaults 
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
 2017-07-29 13:59:45 +02:00
Noralf Trønnes
379ea9a1a5 drm/tinydrm: Add tinydrm_xrgb8888_to_gray8() helper 
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
 2017-07-14 19:29:59 +02:00
Noralf Trønnes
79b85d2b7e drm/tinydrm: Fix drm_driver.fops.owner 
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
 2017-03-27 08:41:35 +02:00
Noralf Trønnes
7fef80a4b9 drm/tinydrm: helpers: Properly fix backlight dependency 
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>
 2017-02-24 12:09:00 +10:00
Noralf Trønnes
1f47e6cbf5 drm/tinydrm: Add support for Multi-Inno MI0283QT display 
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>
 2017-02-18 18:05:02 +01:00
Noralf Trønnes
02dd95fe31 drm/tinydrm: Add MIPI DBI support 
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>
 2017-02-18 18:04:59 +01:00
Noralf Trønnes
9f69eb5c36 drm/tinydrm: Add helper functions 
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>
 2017-02-18 18:04:59 +01:00
Noralf Trønnes
fa201ac2c6 drm: Add DRM support for tiny LCD displays 
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>
 2017-02-18 18:04:58 +01:00