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e8fa427053
linux/drivers/gpu/drm
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Daniel Vetter e8fa427053 drm/i915: Only dither on 6bpc panels 
In

commit d328c9d78d
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Fri Apr 10 16:22:37 2015 +0200

    drm/i915: Select starting pipe bpp irrespective or the primary plane

we started to select the pipe bpp from sink capabilities and not from
the primary framebuffer - that one might change (and we don't want to
incur a modeset) and sprites might contain higher bpp content too.

We also selected dithering on a 8 bpc screen displaying a 24bpp rgb
primary, because pipe_bpp is 24 for such a typical 8 bpc sink, but since
the commit mentioned above, base_bpp is always the absolute maximum
supported by the hardware, e.g., 36 bpp on my Ironlake chip. Iow. the
only way to not get dithering would have been to connect a deep color 12
bpc display, so pipe_bpp == 36 == base_bpp.

Hence only enable dithering on 6bpc screens where we difinitely and
always want it.

Cc: Mario Kleiner <mario.kleiner.de@gmail.com>
Reported-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-and-tested-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2015-08-13 11:31:56 +03:00
..
amd drm/amdgpu: set fw_version and feature_version for smu fw loading 2015-08-05 14:26:50 -04:00
armada Merge branch 'drm-armada-fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into drm-fixes 2015-07-17 10:06:04 +10:00
ast
atmel-hlcdc drm: atmel-hlcdc: fix vblank initial state 2015-07-20 22:47:11 +02:00
bochs drm/bochs: disable video before changing video mode 2015-04-01 08:28:15 +10:00
bridge drm/exynos: atomic dpms support 2015-06-20 00:32:52 +09:00
cirrus
exynos drm/exynos: dsi: do not set TE GPIO direction by input 2015-06-22 20:05:03 +09:00
gma500 drm/gma500: constify all struct drm_*_helper funcs pointers 2015-04-07 17:06:41 +02:00
i2c Merge branch 'drm-tda998x-fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 2015-08-07 04:48:46 +03:00
i810
i915 drm/i915: Only dither on 6bpc panels 2015-08-13 11:31:56 +03:00
imx drm/imx: tve: fix media bus format for VGA output 2015-07-10 11:02:47 +02:00
mga
mgag200 drm/mgag200: Reject non-character-cell-aligned mode widths 2015-06-16 10:01:16 +10:00
msm drm/msm/mdp5: release SMB (shared memory blocks) in various cases 2015-07-29 16:38:24 -04:00
nouveau drm/nouveau/nouveau/ttm: fix tiled system memory with Maxwell 2015-07-28 17:22:13 +10:00
omapdrm drm/omap: replace ALIGN(PAGE_SIZE) by PAGE_ALIGN 2015-07-02 15:58:07 +03:00
panel drm/panel: simple: Add bus format for HannStar HSD100PXN1 2015-06-12 16:40:42 +02:00
qxl drm/qxl: Propagate correctly errors from qxlhw_handle_to_bo 2015-06-05 11:00:52 +10:00
r128
radeon drm/radeon/combios: add some validation of lvds values 2015-07-29 15:50:36 -04:00
rcar-du drm: rcar-du: Use the drm atomic state duplication helpers for planes 2015-06-16 14:25:55 +03:00
rockchip Merge branch 'drm-rockchip-2015-07-13' of https://github.com/markyzq/kernel-drm-rockchip into drm-fixes 2015-07-17 10:25:02 +10:00
savage
shmobile
sis
sti drm/sti: vtg fix CEA-861E video format timing error 2015-06-08 15:28:28 +02:00
tdfx
tegra drm/tegra: Changes for v4.2-rc1 2015-06-18 12:53:54 +10:00
tilcdc drm/tilcdc: Add DRM_TILCDC_SLAVE_COMPAT for ti,tilcdc,slave binding support 2015-05-27 13:13:33 +03:00
ttm drm/ttm: recognize ARM64 arch in ioprot handler 2015-07-24 11:51:14 +10:00
udl dma-buf: cleanup dma_buf_export() to make it easily extensible 2015-04-21 14:47:16 +05:30
vgem drm/vgem: Set unique to "vgem" 2015-06-24 11:20:46 +10:00
via
virtio virtio-gpu: add locking for vbuf pool 2015-06-16 11:22:41 +02:00
vmwgfx Merge tag 'topic/drm-misc-2015-03-31' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-04-01 08:23:25 +10:00
ati_pcigart.c
drm_agpsupport.c
drm_atomic_helper.c drm/atomic-helpers: Make encoder picking more robust 2015-08-04 11:10:41 +02:00
drm_atomic.c drm/atomic: Extract needs_modeset function 2015-06-19 17:25:01 +02:00
drm_auth.c drm: simplify authentication management 2015-05-05 09:45:57 +02:00
drm_bridge.c drm/DocBook: Add more drm_bridge documentation 2015-05-21 13:56:51 +02:00
drm_bufs.c
drm_cache.c drm: Avoid the double clflush on the last cache line in drm_clflush_virt_range() 2015-06-19 17:25:17 +02:00
drm_context.c
drm_crtc_helper.c drm: Add drm_atomic_set_mode_for_crtc 2015-05-26 15:50:34 +02:00
drm_crtc_internal.h
drm_crtc.c drm: Stop resetting connector state to unknown 2015-07-22 14:52:26 +02:00
drm_debugfs.c
drm_dma.c
drm_dp_helper.c drm: Fix for DP CTS test 4.2.2.5 - I2C DEFER handling 2015-04-20 09:29:41 -07:00
drm_dp_mst_topology.c drm/dp-mst: Remove debug WARN_ON 2015-08-04 11:10:16 +02:00
drm_drv.c drm: Always enable atomic API 2015-06-24 11:21:35 +10:00
drm_edid_load.c drm: Add edid_corrupt flag for Displayport Link CTS 4.2.2.6 2015-05-08 13:03:46 +02:00
drm_edid.c Merge tag 'topic/drm-misc-2015-05-19' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-05-20 09:19:58 +10:00
drm_encoder_slave.c
drm_fb_cma_helper.c
drm_fb_helper.c drm/drm: constify all struct drm_*_helper funcs pointers 2015-04-07 18:11:25 +02:00
drm_flip_work.c drm/core: get rid of -Iinclude/drm 2015-05-13 11:28:22 +02:00
drm_fops.c drm/mode: Add user blob-creation ioctl 2015-05-22 16:18:28 +02:00
drm_gem_cma_helper.c drm/cma: Fix 64-bit size_t build warnings 2015-06-15 07:45:49 +02:00
drm_gem.c
drm_global.c
drm_hashtab.c
drm_info.c
drm_internal.h drm: simplify authentication management 2015-05-05 09:45:57 +02:00
drm_ioc32.c drm: Provide compat ioctl for addfb2.1 2015-07-15 11:38:38 +02:00
drm_ioctl.c Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2015-06-26 13:18:51 -07:00
drm_irq.c drm/vblank: Use u32 consistently for vblank counters 2015-08-07 14:35:53 +02:00
drm_legacy.h
drm_lock.c
drm_memory.c
drm_mipi_dsi.c
drm_mm.c drm: clean up drm_mm debugfs output 2015-05-29 09:17:57 +10:00
drm_modes.c drm/mode: Unstatic kernel-userspace mode conversion 2015-05-22 16:18:21 +02:00
drm_modeset_lock.c drm: fix a memleak on mutex failure path 2015-05-05 09:26:43 +02:00
drm_of.c drm: use for_each_endpoint_of_node macro in drm_of_find_possible_crtcs 2015-04-08 11:14:25 +02:00
drm_panel.c
drm_pci.c
drm_plane_helper.c drm/plane-helper: Adapt cursor hack to transitional helpers 2015-05-22 08:48:08 +03:00
drm_platform.c
drm_prime.c drm: prime: Document gem_prime_mmap 2015-06-19 17:50:05 +02:00
drm_probe_helper.c Merge tag 'topic/drm-misc-2015-05-06' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-05-07 13:02:39 +10:00
drm_rect.c
drm_scatter.c
drm_sysfs.c Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2015-06-26 13:18:51 -07:00
drm_trace_points.c
drm_trace.h tracing/drm: Remove unused TRACE_SYSTEM_STRING define 2015-04-07 12:29:23 -04:00
drm_vm.c
drm_vma_manager.c
Kconfig drm/amdgpu: add core driver (v4) 2015-06-03 21:03:15 -04:00
Makefile drm/amdgpu: add core driver (v4) 2015-06-03 21:03:15 -04:00