| Commit message (Collapse) | Author | Age |
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dw_hdmi_phy_enable_power() is not about enabling and disabling power.
It is about allowing or preventing power-down mode being entered - the
register is documented as "Power-down enable (active low 0b)."
This can be seen as the bit has no effect when the HDMI phy is
operational on iMX6 hardware.
Rename the function to dw_hdmi_phy_enable_powerdown() to reflect the
documentation, make it take a bool for the 'enable' argument, and invert
the value to be written.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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On a mode set, DRM makes the following sequence of calls:
* for_each_encoder
* bridge mode_fixup
* encoder mode_fixup
* crtc mode_fixup
* for_each_encoder
* bridge disable
* encoder prepare
* bridge post_disable
* disable unused encoders
* crtc prepare
* crtc mode_set
* for_each_encoder
* encoder mode_set
* bridge mode_set
* crtc commit
* for_each_encoder
* bridge pre_enable
* encoder commit
* bridge enable
dw_hdmi enables the HDMI output in both the bridge mode_set() and also
the bridge enable() step. This is duplicated work - we can avoid the
setup in mode_set() and just do it in the enable() stage. This
simplifies the code a little.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Only enable audio support if the sink supports audio in some form, as
defined via its EDID. We discover this capability using the generic
drm_detect_monitor_audio() function.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The FSL kernel detects the HDMI vendor id, and uses this to set
hdmi->edid_cfg.hdmi_cap, which is then used to set mdvi appropriately,
rather than detecting whether we are outputting a CEA mode. Update
the dw_hdmi code to use this logic, but lets eliminate the mdvi
variable, prefering the more verbose "hdmi->sink_is_hdmi" instead.
Use the generic drm_detect_hdmi_monitor() to detect a HDMI sink.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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As mentioned in the previous commit, the dw-hdmi driver does not support
pixel doubled modes at present; it does not configure the PLL correctly
for these modes. Therefore, filter out the double-clocked modes as we
presently are unable to support them.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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dw_hdmi sets a pixel repetition factor of 1 for VICs 10-15, 25-30 and
35-38. However, DRM uses their native resolutions in its timing
information. For example, VIC 14 can be 1440x480 with no repetition,
or 720x480 with one pixel repetition. As DRM uses 1440 pixels per line
for this video mode, we need no pixel repetition.
In any case, pixel repetition appears broken in dw_hdmi.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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iMX6 devices suffer from an errata (ERR005174) where the audio FIFO can
be emptied while it is partially full, resulting in misalignment of the
audio samples.
To prevent this, the errata workaround recommends writing N as zero
until the audio FIFO has been loaded by DMA. Writing N=0 prevents the
HDMI bridge from reading from the audio FIFO, effectively disabling
audio.
This means we need to provide the audio driver with a pair of functions
to enable/disable audio. These are dw_hdmi_audio_enable() and
dw_hdmi_audio_disable().
A spinlock is introduced to ensure that setting the CTS/N values can't
race, ensuring that the audio driver calling the enable/disable
functions (which are called in an atomic context) can't race with a
modeset.
Tested-by: Yakir Yang <ykk@rock-chips.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Introduce dw_hdmi_set_sample_rate(), which allows us to configure the
audio sample rate, setting the CTS/N values appropriately.
Tested-by: Yakir Yang <ykk@rock-chips.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Remove the struct hdmi_vmode mhsyncpolarity/mvsyncpolarity/minterlaced
members, which are only used within a single function. We can directly
reference the appropriate mode->flags instead.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This driver does not make use of regmaps, let's remove this unnecessary
structure member.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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When a YCBCR format is selected, we can merely copy the colorimetry
information directly as we use the same definitions for both the
unpacked AVI info frame and the hdmi_data_info structure.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Use drm_hdmi_avi_infoframe_from_display_mode() to compose the AVI
frame.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Clean up hdmi_set_clk_regenerator() by allowing it to take the audio
sample rate and ratio directly, rather than hiding it inside the
function. Raise the unsupported pixel clock/sample rate message from
debug to error level as this results in audio not working correctly.
Tested-by: Yakir Yang <ykk@rock-chips.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The phy configuration is dependent on the SoC, and we look up values for
some of the registers in SoC specific data. However, we had partially
programmed the phy before we had successfully looked up the clock rate.
Also, we were only checking that we had a valid configuration for the
currctrl register.
Move all these lookups to the start of this function instead, so we can
check that all lookups were successful before beginning to program the
phy.
Tested-by: Yakir Yang <ykk@rock-chips.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The phy comments in dw_hdmi.c applied to the iMX6 version. Move these
comments to the iMX6 dw_hdmi-imx data along side the data.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://people.freedesktop.org/~thomash/linux into drm-next
Pull request of 15-08-21
The third pull request for 4.3. Contains two fixes for regressions introduced
with previous pull requests.
* tag 'vmwgfx-next-15-08-21' of git://people.freedesktop.org/~thomash/linux:
drm/vmwgfx: Remove duplicate ttm_bo_device_release
drm/vmwgfx: Fix a circular locking dependency in the fbdev code
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No need to try to call ttm_bo_device_release twice during module unload.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
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When a user-space process writes directly to the fbdev framebuffer,
we hit a circular locking dependency. Fix this by introducing a local
delayed work callback so that the defio lock can be released before
calling into the modesetting code for a dirty update.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
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into drm-next
- DP fixes for radeon and amdgpu
- IH ring fix for tonga and fiji
- Lots of GPU scheduler fixes
- Misc additional fixes
* 'drm-next-4.3' of git://people.freedesktop.org/~agd5f/linux: (42 commits)
drm/amdgpu: fix wait queue handling in the scheduler
drm/amdgpu: remove extra parameters from scheduler callbacks
drm/amdgpu: wake up scheduler only when neccessary
drm/amdgpu: remove entity idle timeout v2
drm/amdgpu: fix postclose order
drm/amdgpu: use IB for copy buffer of eviction
drm/amdgpu: adjust the judgement of removing fence callback
drm/amdgpu: fix no sync_wait in copy_buffer
drm/amdgpu: fix last_vm_update fence is not effetive for sched fence
drm/amdgpu: add priv data to sched
drm/amdgpu: add owner for sched fence
drm/amdgpu: remove entity reference from sched fence
drm/amdgpu: fix and cleanup amd_sched_entity_push_job
drm/amdgpu: remove amdgpu_bo_list_clone
drm/amdgpu: remove the context from amdgpu_job
drm/amdgpu: remove unused parameters to amd_sched_create
drm/amdgpu: remove sched_lock
drm/amdgpu: remove prepare_job callback
drm/amdgpu: cleanup a scheduler function name
drm/amdgpu: reorder scheduler functions
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Freeing up a queue after signalling it isn't race free.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
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Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
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Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
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Removing the entity from scheduling can deadlock the whole system.
Wait forever till the remaining IBs are scheduled.
v2: fix comment as well
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com> (v1)
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The context needs to finish before everything else.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
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This aids handling buffers moves with the scheduler.
Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>
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The fence in the array may be skipped if wait_all is false,
thus the related callback is not initialized with list head.
So removing this kind callback will cause NULL pointer reference.
Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
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when eviction is happening, if don't handle
dependency, then the fence could be dead off.
Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>
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Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>
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Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>
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Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>
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Entity don't live as long as scheduler fences.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
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Calling schedule() is probably the worse things we can do.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
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Not used any more.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
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Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
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Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
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It isn't protecting anything.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
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Not used any more.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
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Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
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Keep run queue, entity and scheduler handling together.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
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Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
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That actually didn't worked at all.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
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Cleanup function name, stop checking scheduler ready twice, but
check if kernel thread should stop instead.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
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None of them are used any more.
v2: fix type in error message
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
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Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
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Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>
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Remove active_hw_rq and it's protecting queue_lock, they are unused.
User 32bit atomic for hw_rq_count, 64bits for counting to three is a bit
overkill.
Cleanup the function name and remove incorrect comments.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
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Simply not used any more. Only keep 32bit atomic for fence sequence numbering.
v2: trivial rebase
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com> (v1)
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com> (v1)
Reviewed-by: Chunming Zhou <david1.zhou@amd.com> (v1)
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Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>
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Rename the function and update the related code with this modified function.
Add the new parameter of bool wait_all.
If wait_all is true, it will return when all fences are signaled or timeout.
If wait_all is false, it will return when any fence is signaled or timeout.
Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
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