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Allocate struct drm_info dynamically, and convert the struct
drm_i915_private and struct xe_device dram_info member into a const
pointer. Move the struct definition to intel_dram.h, and keep it opaque
to everyone not needing it. This also removes the duplication of the
struct definition.
Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Link: https://lore.kernel.org/r/73625095157346ea0e8614108c9b369208e5df66.1748337870.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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We'll want to start returning errors from intel_dram_detect(). As the
first step, add the return value and error handling, even if we still
only return 0.
Do no functional changes, but leave a comment about whether we should
bail out on dram detection failures.
Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Link: https://lore.kernel.org/r/be2c31c459fb95d8161b719d499403eea5ec17b7.1748337870.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Add a function to get the (const) pointer to struct dram_info, and use
that to obtain the pointer instead of poking at i915->dram_info
directly.
Clean up a couple of local variables while at it.
Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Link: https://lore.kernel.org/r/4174edf649e2f6805dab6fd6ce2ec10f4e5f2498.1748337870.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Reuse i9xx_fsb_freq() for GT clock frequency initialization instead of
depending on rawclk_freq.
Note: If the init order was changed, we could use i915->fsb_freq
directly. However, GT clock initialization is done in
i915_driver_mmio_probe(), but intel_dram_detect() later in
i915_driver_hw_probe(), with a dependency on intel_pcode_init().
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/0678d8ec9772725b47d4fa5b14e3b3a34256d5cf.1718356614.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Add a new sub-directory for things that aren't specifically about the
GPU and don't really belong in the i915 driver top level, but also don't
belong under any of the existing sub-directories either.
Name it "soc", and move the PCH and DRAM code there.
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221208142347.602726-1-jani.nikula@intel.com
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