- 01 Dec, 2020 3 commits
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Daniel Vetter authored
Purely conjecture, but I think the original locking inversion with the legacy page flip code between flipping and ttm's bo move function shoudn't exist anymore with atomic: With atomic the bo pinning and actual modeset commit is completely separated in the code patsh. This annotation was originally added in commit 060810d7 Author: Ben Skeggs <bskeggs@redhat.com> Date: Mon Jul 8 14:15:51 2013 +1000 drm/nouveau: fix locking issues in page flipping paths due to commit b580c9e2 Author: Maarten Lankhorst <m.b.lankhorst@gmail.com> Date: Thu Jun 27 13:48:18 2013 +0200 drm/nouveau: make flipping lockdep safe Acked-by:
Ben Skeggs <bskeggs@redhat.com> Reviewed-by:
Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by:
Daniel Vetter <daniel.vetter@intel.com> Cc: Maarten Lankhorst <m.b.lankhorst@gmail.com> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Dave Airlie <airlied@gmail.com> Cc: nouveau@lists.freedesktop.org Link: https://patchwork.freedesktop.org/patch/msgid/20201127163528.2221671-1-daniel.vetter@ffwll.ch
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Jialin Zhang authored
Fix to return a negative error code from the error handling case instead of 0, as done elsewhere in this function. Fixes: 5c49fd3a ("gma500: Add the core DRM files and headers") Reported-by:
Hulk Robot <hulkci@huawei.com> Signed-off-by:
Jialin Zhang <zhangjialin11@huawei.com> Signed-off-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20201130020216.1906141-1-zhangjialin11@huawei.com
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Christian König authored
ttm_module.h deals with internals of TTM and should never be include outside of it. v2: also move the file around Signed-off-by:
Christian König <christian.koenig@amd.com> Acked-by:
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- 30 Nov, 2020 25 commits
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Sam Ravnborg authored
Fix warnings by deleting unused code. The register reads are kept as it is unknown if there are any hidden side-effects. v2: - Update subject (Lee) Signed-off-by:
Sam Ravnborg <sam@ravnborg.org> Acked-by:
Thomas Zimmermann <tzimmermann@suse.de> Cc: Antonino Daplas <adaplas@gmail.com> Cc: linux-fbdev@vger.kernel.org Cc: Lee Jones <lee.jones@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20201128224114.1033617-21-sam@ravnborg.org
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Sam Ravnborg authored
Fix W=1 warnings by removing unused code v2: - Updated subject (Lee) Signed-off-by:
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Sam Ravnborg authored
Fix set but not used warnings by introducing no_printk variants for the internal logging system for this driver. Fix a new warning that popped up now that logging was checked for correct printf format strings. A more invasive fix had been to replace all the internal logging with standard logging primitives - thats for another day. v2: - Update subject (Lee) Signed-off-by:
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Sam Ravnborg authored
Fix W=1 warnings: - Fix kernel-doc - Drop unused code/variables - Use memcpy to copy a string without zero-termination strncpy() generates a warning v2: - Updated subject (Lee) Signed-off-by:
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Sam Ravnborg authored
Fix W=1 warnings: - Fix kernel-doc - Drop unused code v2: - Updated subject (Lee) Signed-off-by:
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Sam Ravnborg authored
Fixed a few kernel-doc issues to fix the warnings. v2: - Updated subject (Lee) Signed-off-by:
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Sam Ravnborg authored
Fix W=1 warnings: - Fix kernel-doc - Drop unused variables/code v2: - Updated subject (Lee) Signed-off-by:
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Sam Ravnborg authored
The tmp variable was assigned but the result was never used, so delete the tmp variable. v2: - Update subject (Lee) Signed-off-by:
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Sam Ravnborg authored
Fix warning by deleting the variable. The function call viafb_get_best_mode() was verified to have no side-effects, and thus could be dropped too. v2: - Update subject (Lee) Signed-off-by:
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Sam Ravnborg authored
Fix warnings by dropping unused variable and the unused assignments. v2: - Update subject (Lee) Signed-off-by:
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Sam Ravnborg authored
Fix "set but not used" warnings by removing the code the assign the variables and the definition of the variables. A register read is kept as it may have unknown side-effects. This removes a lot of unused code - which is always a good thing to do. v2: - Updated subject (Lee) Signed-off-by:
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Sam Ravnborg authored
Fix W=1 warning by commenting unused SiS_TVDelay* variables. The SiS_TVDelay* variables seem to contain some magic numbers so looks like data worth keeping around but not as code we build. v2: - Update subject (Lee) Signed-off-by:
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Sam Ravnborg authored
init.h defines static symbols, so it should only be included once. Drop the include from sis.h as it is not needed. This fixes a lot of warnings seen with a W=1 build. v2: - Update subject (Lee) Signed-off-by:
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Sam Ravnborg authored
Fix W=1 warnings about variables assigned but never used. - One variable is only used when CONFIG_FB_ATY_GENERIC_LCD is defined Fix so variable is only defined with CONFIG_FB_ATY_GENERIC_LCD - Several variables was only assigned by a call to aty_ld_le32(). Drop the variables but keep the call to aty_ld_le32() as it may have unexpected side-effects. v2: - Updated subject (Lee) Signed-off-by:
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Sam Ravnborg authored
Fix W=1 warnings about variables assigned but never used. - Drop variables that were set but never used - Make variable definition conditional on ATARI v2: - Fix m68k build error (kernel test robot) - Improve subject (Lee Jones) Signed-off-by:
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Sam Ravnborg authored
Fix warning about variable that is asssigned a value but never used. The variable was indeed never used so delete it. Keep the call to radeon_probe_i2c_connector() as it may have side-effects. It is unlikely but I could not verify that is was safe to drop the call. Signed-off-by:
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Christian König authored
Mapping the imported pages of a DMA-buf into an userspace process doesn't work as expected. But we have reoccurring requests on this approach, so split the functions for this and document that dma_buf_mmap() needs to be used instead. v2: split it into two functions v3: rebased on latest changes v4: update commit message a bit Signed-off-by:
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Christian König authored
Not used any more. Signed-off-by:
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Christian König authored
The function qxl_gem_prime_import_sg_table is not fully implemented. Signed-off-by:
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Christian König authored
According to Daniel VMWGFX doesn't support DMA-buf anyway. Signed-off-by:
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Christian König authored
This is deprecated, also drop the comment about faults. v2: also use ttm_sg_tt_init to avoid allocating the page array. Signed-off-by:
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Christian König authored
This is deprecated. Signed-off-by:
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Christian König authored
This is deprecated. v2: also use ttm_sg_tt_init to avoid allocating the page array. Signed-off-by:
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Thomas Zimmermann authored
The new GEM object function drm_gem_cma_mmap() sets the VMA flags and offset as in the old implementation and immediately maps in the buffer's memory pages. Changing CMA helpers to use the GEM object function allows for the removal of the special implementations for mmap and gem_prime_mmap callbacks. The regular functions drm_gem_mmap() and drm_gem_prime_mmap() are now used. Signed-off-by:
Maxime Ripard <mripard@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20201123115646.11004-3-tzimmermann@suse.de
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Thomas Zimmermann authored
These functions are not directly related to PRIME interfaces any longer, but are now GEM object functions. Rename them accordingly and fix the docs. Signed-off-by:
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- 29 Nov, 2020 12 commits
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Douglas Anderson authored
Add support for the BOE NV110WTM-N61 panel. The EDID lists two modes (one for 60 Hz refresh rate and one for 40 Hz), so we'll list both of them here. Note that the panel datasheet requires 80 ms between HPD asserting and the backlight power being turned on. We'll use the new timing constraints structure to do this cleanly. This assumes that the backlight will be enabled _after_ the panel enable finishes. This is how it works today and seems a sane assumption. Signed-off-by:
Douglas Anderson <dianders@chromium.org> Signed-off-by:
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Douglas Anderson authored
Add yet another eDP panel. Signed-off-by:
Rob Herring <robh@kernel.org> Signed-off-by:
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Douglas Anderson authored
On the panel I'm looking at, there's an 80 ms minimum time between HPD being asserted by the panel and setting the backlight enable GPIO. While we could just add an 80 ms "enable" delay, this is not ideal. Link training is allowed to happen in parallel with this delay so the fixed 80 ms delay over-delays. We'll support this by logging the time at the end of prepare and then delaying in enable if enough time hasn't passed. Signed-off-by:
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Douglas Anderson authored
It is believed that all of the current users of the "unprepare" delay don't actually need to wait the amount of time specified directly in the unprepare phase. The purpose of the delay that's specified is to allow the panel to fully power off so that we don't try to power it back on before it's managed to full power down. Let's use this observation to avoid the fixed delay that we currently have. Instead of delaying, we'll note the current time when the unprepare happens. If someone then tries to prepare the panel later and not enough time has passed, we'll do the delay before starting the prepare phase. Signed-off-by:
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Douglas Anderson authored
When I run: scripts/kernel-doc -rst drivers/gpu/drm/panel/panel-simple.c I see that several of the kernel-doc entries aren't showing up because they don't specify the full path down the hierarchy. Let's fix that and also move to inline kernel docs. Signed-off-by:
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Dan Carpenter authored
The NULL checking isn't done consistently in this function and it leads to a static checker warning: drivers/gpu/drm/kmb/kmb_drv.c:561 kmb_pm_suspend() error: we previously assumed 'drm' could be null (see line 559) Fortunately "drm" cannot be NULL at this point so the check can just be removed. Signed-off-by:Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by:
Anitha Chrisanthus <anitha.chrisanthus@intel.com> Signed-off-by:
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Tom Rix authored
The macro use will already have a semicolon. Signed-off-by:
Tom Rix <trix@redhat.com> Signed-off-by:
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Sam Ravnborg authored
Fix following W=1 warnings: - Fix set but not used variables that were used only for logging. Fixed by introducing no_printk() to trick compiler to think variables are used - Fix kernel-doc warning by deleting an empty comment line v3: - Fix grammar in commit message (Thomas) v2: - Subject updated (Lee) Signed-off-by:
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Sam Ravnborg authored
Replacing DPRINTK() statements with pr_debug fixes set but not used warnings. And moves to a more standard logging setup at the same time. v2: - Fix indent (Joe) Signed-off-by:
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Sam Ravnborg authored
Fix kernel-doc warnings reported when using W=1. v3: - Do not replace '-' with ':' (Thomas) v2: - Improve subject (Lee) Signed-off-by:
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Dafna Hirschfeld authored
In the help of ROCKCHIP_DW_MIPI_DSI it said it is a HDMI driver instead of a dsi driver. Signed-off-by:
Dafna Hirschfeld <dafna.hirschfeld@collabora.com> Signed-off-by:
Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20201116141609.26719-1-dafna.hirschfeld@collabora.com
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Dafna Hirschfeld authored
There is a use of DRM_DEV_ERROR(dsi->dev,..) which should be replaced with DRM_DEV_ERROR(dev, ..) since dsi->dev is set later Signed-off-by:
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