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We are preparing to support two independent DSI hosts in the DSI/DPU
code. To remove possible confusion (as both configurations can be
referenced as dual DSI) let's rename old "dual DSI" (two DSI hosts
driving single device, with clocks being locked) to "bonded DSI".
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>
Link: https://lore.kernel.org/r/20210717124016.316020-2-dmitry.baryshkov@linaro.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
[DB: add one extra hunk added by one previous patches]
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
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During board bringups its useful to have a DSI test pattern
generator to isolate a DPU vs a DSI issue and focus on the relevant
hardware block.
To facilitate this, add an API which triggers the DSI controller
test pattern. The expected output is a rectangular checkered pattern.
This has been validated on a single DSI video mode panel by calling it
right after drm_panel_enable() which is also the ideal location to use
this as the DSI host and the panel have been initialized by then.
Further validation on dual DSI and command mode panel is pending.
If there are any fix ups needed for those, it shall be applied on top
of this change.
Changes in v2:
- generate the new dsi.xml.h and update the bitfield names
Signed-off-by: Abhinav Kumar <abhinavk@codeaurora.org>
Link: https://lore.kernel.org/r/1626922232-29105-2-git-send-email-abhinavk@codeaurora.org
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
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Update the DSI controller header XML file to add registers
and bitfields to support rectangular checkered pattern
generator.
Signed-off-by: Abhinav Kumar <abhinavk@codeaurora.org>
Link: https://lore.kernel.org/r/1626922232-29105-1-git-send-email-abhinavk@codeaurora.org
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
[DB: removed headergen commit changes]
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
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Add support for v2.5.0 DSI block in the SC7280 SoC.
Signed-off-by: Rajeev Nandan <rajeevny@codeaurora.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/1624365748-24224-4-git-send-email-rajeevny@codeaurora.org
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
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The SC7280 SoC uses the 7nm (V4.1) DSI PHY driver with
different enable|disable regulator loads.
Signed-off-by: Rajeev Nandan <rajeevny@codeaurora.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/1624365748-24224-3-git-send-email-rajeevny@codeaurora.org
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
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The SC7280 SoC uses the 7nm (V4.1) DSI PHY driver.
Signed-off-by: Rajeev Nandan <rajeevny@codeaurora.org>
Link: https://lore.kernel.org/r/1624365748-24224-2-git-send-email-rajeevny@codeaurora.org
Acked-by: Rob Herring <robh+dt@kernel.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
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Instead of fetching shared timing through an extra function call, get
them directly from msm_dsi_phy_enable.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>
Link: https://lore.kernel.org/r/20210709210729.953114-9-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
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Use of_device_get_match-data() instead of of_match_node().
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>
Link: https://lore.kernel.org/r/20210709210729.953114-8-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
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Add some missing newlines to the various DRM printks in this file.
Noticed while looking at logs. While we're here unbreak quoted
strings so grepping them is easier.
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20210708065619.999199-1-swboyd@chromium.org
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
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msm_atomic is doing vblank get/put's already,
currently there no need to duplicate the effort in MDP4
Fix warning:
...
WARNING: CPU: 3 PID: 79 at drivers/gpu/drm/drm_vblank.c:1194 drm_vblank_put+0x1cc/0x1d4
...
and multiple vblank time-outs:
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msm 5100000.mdp: vblank time out, crtc=1
...
Tested on Nexus 7 2013 (deb), LTS 5.10.50.
Introduced by: 119ecb7fd3b5 ("drm/msm/mdp4: request vblank during modeset")
Signed-off-by: David Heidelberg <david@ixit.cz>
Link: https://lore.kernel.org/r/20210715060925.7880-1-david@ixit.cz
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
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Fixes if condition, which never worked inside mdp4_kms_init, since
HW detection has been done later in mdp4_hw_init.
Fixes: eb2b47bb9a03 ("drm/msm/mdp4: only use lut_clk on mdp4.2+")
Signed-off-by: David Heidelberg <david@ixit.cz>
Link: https://lore.kernel.org/r/20210705231641.315804-2-david@ixit.cz
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
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Inspired by MDP5 code.
Also use DRM_DEV_INFO for MDP version as MDP5 does.
Cosmetic change: uint32_t -> u32 - checkpatch suggestion.
Signed-off-by: David Heidelberg <david@ixit.cz>
Link: https://lore.kernel.org/r/20210705231641.315804-1-david@ixit.cz
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
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When it fail to create crtc_event kthread, it just jump to err_msm_uninit,
while the 'ret' is not updated. So assign the return code before that.
Fixes: 25fdd5933e4c ("drm/msm: Add SDM845 DPU support")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Li <liwei391@huawei.com>
Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>
Link: https://lore.kernel.org/r/20210705134302.315813-1-liwei391@huawei.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
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None of supported devies uses "gdsc" regulator for DSI. GDSC support is
now implemented as a power domain. Drop old code and config handling
gdsc regulator requesting and enabling.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210701000015.3347713-1-dmitry.baryshkov@linaro.org
Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
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Add the required changes to support 7nm pll/phy in CPHY mode.
This adds a "qcom,dsi-phy-cphy-mode" property for the PHY node to enable
the CPHY mode.
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210617144349.28448-4-jonathan@marek.ca
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
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Document a new phy-type property which will be used to determine whether
the phy should operate in D-PHY or C-PHY mode.
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://lore.kernel.org/r/20210617144349.28448-3-jonathan@marek.ca
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
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