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path: root/drivers/gpu/drm/i915/intel_sideband.c
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2013-11-05drm/i915: add bunit read/write routinesJesse Barnes
For modifying self-refresh exit latency. Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-10-11drm/i915/vlv: add doc names to sideband fileJesse Barnes
So digging out the right ones is a little easier. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-09-05drm/i915: Add additional pipe parameter for vlv_dpio_read and vlv_dpio_write. v2Chon Ming Lee
The patch doesn't contain functional change, but is to prepare for future platform which has different DPIO phy. The additional pipe parameter will use to select which phy to target for. v2: Update the commit message and add static for the new function. (Jani/Ville) Signed-off-by: Chon Ming Lee <chon.ming.lee@intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-09-04drm/i915: add more VLV IOSF sideband ports accessorsJani Nikula
For GPIO NC, CCK, CCU, and GPS CORE. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-05-23drm/i915: change VLV IOSF sideband accessors to not return error codeJani Nikula
We never check the return values, and there's not much we could do on errors anyway. Just simplify the signatures. No functional changes. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-05-23drm/i915: rename VLV IOSF sideband functions logicallyJani Nikula
Rename all VLV IOSF sideband register accessor functions to vlv_<port>_{read,write}. No functional changes. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-05-23drm/i915: refactor VLV IOSF sideband accessors to use one helperJani Nikula
Both the intel_dpio_{read,write} and valleyview_{punit,nc}_{read,write} use the IOSF sideband interface. They access the same registers and do mostly the same stuff, but no shared code. There are even duplicate register defines for the same registers. Both have locking, but the former use dpio_lock and the latter rps.hw_lock. It's racy. This patch refactors the sideband access to a single function that expects dpio_lock to be held. The dpio_lock is only used for sideband stuff, so it's a better match than rps.hw_lock for the purpose. The rps stuff still needs rps.hw_lock, since it's used to protect more than just the register access, so rps code will need to hold both locks. Based on the work by Shobhit Kumar <shobhit.kumar@intel.com> and Yogesh Mohan Marimuthu <yogesh.mohan.marimuthu@intel.com>. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-05-23drm/i915: group sideband register accessors to a new fileJani Nikula
Group both the HSW/LPT SBI interface and VLV IOSF sideband register accessor functions into a new file. No functional changes. v2: also move intel_sbi_{read,write} (Daniel) Signed-off-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>