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The removed functions can be resurrected in intel_dsi.c as need arises.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-By: Shobhit Kumar <shobhit.kumar@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Use the drm core interfaces in preparation of removing our homebrew.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-By: Shobhit Kumar <shobhit.kumar@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Add basic support for using the drm mipi dsi framework for DSI. We don't
use device tree which is pretty much required by mipi_dsi_host_register
and friends, and we don't have the kind of device model the functions
expect either. So we cheat and use it as a library to abstract what we
need: a nice, clean interface for DSI transfers. This means we will have
to be careful with what functions we call, as the driver model devices
in mipi_dsi_host and mipi_dsi_device will *not* be initialized.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-By: Shobhit Kumar <shobhit.kumar@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Replace intel_dsi_device and intel_dsi_dev_ops with drm_panel and
drm_panel_funcs. They are adequate for what we have now, and if we end
up needing more than this we should improve drm_panel. This will keep us
better aligned with the drm core infrastructure.
The panel driver initialization changes a bit. It still remains hideous,
but fixing that is beyond the scope here.
v2: extend mode config mutex to cover drm_panel_get_modes (Shobhit)
vbt_panel->intel_dsi = intel_dsi in vbt panel init (Shobhit)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-By: Shobhit Kumar <shobhit.kumar@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Const is good for you. No functional changes.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-By: Shobhit Kumar <shobhit.kumar@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Remove all the trivial and/or dummy callbacks from intel dsi device
ops. Merge send_otp_cmds into panel_reset as they're called back to
back.
This will be helpful for switching to use drm_panel for the
callbacks. If we ever need the additional callbacks, we should add them
to drm_panel funcs.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-By: Shobhit Kumar <shobhit.kumar@intel.com>
[danvet: Resolve tiny conflict with ongoing atomic work.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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From now on for both DSI Ports A & C, the seq_port value has been
set to 0. seq_port value is parsed from Sequence block#53 of VBT.
So, for packets that needs to be read/write for DSI single link on
Port A and Port C will now be based on the DVO port from VBT block 2,
instead of seq_port.
Signed-off-by: Gaurav K Singh <gaurav.k.singh@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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For dual link MIPI Panels, each port needs half of pixel clock. Pixel overlap
can be enabled if needed by panel, then in that case, pixel clock will be
increased for extra pixels.
v2 : Address review comments by Jani
- Removed the bit mask used for ->dual_link
- Used DSI instead of MIPI for #define variables
v3: Added the VLV_DISPLAY_BASE to VLV_CHICKEN_3 register
Signed-off-by: Gaurav K Singh <gaurav.k.singh@intel.com>
Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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For Dual Link MIPI Panels, both Port A and Port C should be enabled
during the MIPI encoder enabling sequence. Similarly, during the
disabling sequence, both ports needs to be disabled.
v2: Used for_each_dsi_port macro instead of for loop
v3: Used intel_dsi->ports instead of dual_link var for dual link configuration check
v4: Masking of the required MIPI port bits before writing proper values
Signed-off-by: Gaurav K Singh <gaurav.k.singh@intel.com>
Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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DSI Controller
This patch is in preparation of DSI dual link panels. For dual link
panels, few packets needs to be sent to Port A or Port C or both. Based
on the portno from MIPI Sequence Block#53, these sequences needs to be
sent accordingly.
v2: Addressed review comments by Jani
- port variables named properly
Signed-off-by: Gaurav K Singh <gaurav.k.singh@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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v2: Updated the error log as suggested by Imre
Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Fix warnings introduced by the following commit -
commit 9c92da2c7c17eea79b6321b37592df0a002d24df
Author: Shobhit Kumar <shobhit.kumar@intel.com>
Date: Fri May 23 21:35:27 2014 +0530
drm/i915: Add support for Generic MIPI panel driver
Fixed all except the DRM logging which go beyond line 80
Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This driver makes use of the generic panel information from the VBT.
Panel information is classified into two - panel configuration and panel
power sequence which is unique to each panel. The generic driver uses the
panel configuration and sequence parsed from VBT block #52 and #53
v2: Address review comments by Jani
- Move all of the things in driver c file from header
- Make all functions static
- Make use of video/mipi_display.c instead of redefining
- Null checks during sequence execution
v3: Address review comments by Damien
- Rename the panel driver file as intel_dsi_panel_vbt.c
- Fix style changes as suggested
- Correct comments for lp->hs and hs->lp count calculations
- General updating comments to have more clarity
- using max() instead of ternary operator
- Fix names (ui_num, ui_den) while using UI in calculations
- compute max of lp_to_hs switch and hs_to_lp switch while computing
hs_lp_switch_count
Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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