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58d124ea27
Now that we separated everything into uapi and hw, it's time to make the split definitive. Remove the union and make a copy of the hw state on modeset and fastset. Color blobs are copied in crtc atomic_check(), right before color management is checked. Changes since v1: - Copy all blobs immediately after drm_atomic_helper_check_modeset(). - Clear crtc_state->hw on disable, instead of using clear_intel_crtc_state(). Changes since v2: - Use intel_crtc_free_hw_state + clear in intel_crtc_disable_noatomic(). - Make a intel_crtc_prepare_state() function that clears the crtc_state and copies hw members. - Remove setting uapi.adjusted_mode, we now have a direct call to drm_calc_timestamping_constants(). Changes since v3: - Rename prefix copy_hw_to_uapi_state() with intel_crtc. - Copy color blobs to uapi as well. - Add a intel_crtc_copy_uapi_to_hw_state_nomodeset() function for clarity. Changes since v4: - Copy hw.adjusted_mode back to uapi.adjusted_mode, to shut up the call to drm_calc_timestamping_constants() in drm_atomic_helper_update_legacy_modeset_state(). - Use drm_property_replace_blob (Ville). Changes since v5: - Use hw->mode in intel_modeset_readout_hw_state(). (Ville) - Copy to uapi.mode using drm_atomic_set_mode_for_crtc(). (Ville) Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191031112610.27608-6-maarten.lankhorst@linux.intel.com Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.