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15 Commits

Author SHA1 Message Date
Jani Nikula
0b470321e9 drm/{i915,xe}/panic: pass struct intel_panic to intel_panic_setup() 
Reduce the struct intel_framebuffer usage within the panic
implementation.

Cc: Jocelyn Falempe <jfalempe@redhat.com>
Cc: Maarten Lankhorst <dev@lankhorst.se>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://lore.kernel.org/r/2a016167b1f6f0b432aed0a630f9dbcd07fadb7b.1756835342.git.jani.nikula@intel.com
 2025-09-08 14:23:46 +03:00
Jani Nikula
427a3f939a drm/{i915,xe}/panic: convert intel_panic_finish() to struct intel_panic 
The intel_panic_finish() function really needs the struct intel_panic
pointer, not struct intel_framebuffer. Make it so.

Cc: Jocelyn Falempe <jfalempe@redhat.com>
Cc: Maarten Lankhorst <dev@lankhorst.se>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://lore.kernel.org/r/3fdbcbe17e0e90c4a590f2a2486a9ec79a90cf62.1756835342.git.jani.nikula@intel.com
 2025-09-08 14:23:46 +03:00
Jani Nikula
05a85e781f drm/{i915,xe}/panic: rename intel_bo_panic_*() to intel_panic_*() 
Rename the intel_bo_panic_*() functions according to the functionality,
dropping the misleading intel_bo reference.

Keep intel_bo_alloc_framebuffer() for now; it'll be refactored later.

Cc: Jocelyn Falempe <jfalempe@redhat.com>
Cc: Maarten Lankhorst <dev@lankhorst.se>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://lore.kernel.org/r/a3be8f8b5e7dd208027a1131e89452d9a214054f.1756835342.git.jani.nikula@intel.com
 2025-09-08 14:23:46 +03:00
Jani Nikula
5f54b2196c drm/{i915,xe}/panic: split out intel_panic.[ch] 
intel_bo.[ch] is not the appropriate location for the panic
functionality. Split out intel_panic.[ch] and xe_panic.c in i915 and
xe. Keep the function names for now.

Cc: Jocelyn Falempe <jfalempe@redhat.com>
Cc: Maarten Lankhorst <dev@lankhorst.se>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://lore.kernel.org/r/d98b831a011a028ffd33ce99b0ba62be061ee235.1756835342.git.jani.nikula@intel.com
 2025-09-08 14:23:46 +03:00
Ville Syrjälä
bc0c7fd732 drm/i915: Nuke intel_plane_ggtt_offset() 
We don't really need the extra intel_plane_ggtt_offset() wrapper
anymore. Get rid of it.

v2: Deal with reuse_vma() hacks

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250717171353.23090-3-ville.syrjala@linux.intel.com
 2025-07-19 20:55:12 +03:00
Jocelyn Falempe
98910fa0a4 drm/i915/psr: Add intel_psr2_panic_force_full_update 
When the panic handler is called, configure the psr to send the full
framebuffer to the monitor, otherwise the panic screen is only
partially visible.

Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://lore.kernel.org/r/20250624091501.257661-12-jfalempe@redhat.com
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
 2025-06-27 11:48:23 +02:00
Jocelyn Falempe
0cc88243aa drm/i915/display: Add drm_panic support for 4-tiling with DPT 
On Alder Lake and later, it's not possible to disable tiling when DPT
is enabled.
So this commit implements 4-Tiling support, to still be able to draw
the panic screen.

Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://lore.kernel.org/r/20250624091501.257661-11-jfalempe@redhat.com
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
 2025-06-27 11:48:23 +02:00
Jocelyn Falempe
116d86dd69 drm/i915/display: Add drm_panic support for Y-tiling with DPT 
On Alder Lake and later, it's not possible to disable tiling when DPT
is enabled.
So this commit implements Y-Tiling support, to still be able to draw
the panic screen.

Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://lore.kernel.org/r/20250624091501.257661-10-jfalempe@redhat.com
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
 2025-06-27 11:48:23 +02:00
Jocelyn Falempe
31d886b674 drm/i915/display: Add drm_panic support 
This adds drm_panic support for a wide range of Intel GPU. I've
tested it only on 4 laptops, Haswell (with 128MB of eDRAM),
Comet Lake, Raptor Lake, and Lunar Lake.
For hardware using DPT, it's not possible to disable tiling, as you
will need to reconfigure the way the GPU is accessing the
framebuffer, so this will be handled by the following patches.

Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://lore.kernel.org/r/20250624091501.257661-9-jfalempe@redhat.com
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
 2025-06-27 11:48:23 +02:00
Jani Nikula
d93ea1d8f1 drm/i915/cdclk: abstract intel_cdclk_min_cdclk() 
Add intel_cdclk_min_cdclk() helper to avoid looking at struct
intel_cdclk_state internals outside of intel_cdclk.c.

Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://lore.kernel.org/r/af768e7fc32d8fa8ddcbbe2683266c30ae3b925d.1750847509.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
 2025-06-26 11:55:54 +03:00
Jani Nikula
be8f5f88ef drm/i915/plane: rename intel_atomic_add_affected_planes() to intel_plane_add_affected() 
Rename to follow filename based naming.

Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/c37bc557f831090c934b76d03485823bd45ebba8.1750147992.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
 2025-06-19 12:14:29 +03:00
Jani Nikula
b603034fb1 drm/i915/plane: rename intel_atomic_check_planes() to intel_plane_atomic_check() 
Align with all the other atomic check functions.

Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/57c59e33e31fbea564f61c2ffaa81e979e33f106.1750147992.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
 2025-06-19 12:14:29 +03:00
Jani Nikula
51c2590d2b drm/i915/plane: make intel_plane_atomic_check() static and rename 
intel_plane_atomic_check() isn't used outside of intel_plane.c. Make it
static. While at it, rename to vacate the name for subsequent changes.

Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/9da965c23c1485625d8713152751470ee758d540.1750147992.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
 2025-06-19 12:14:29 +03:00
Jani Nikula
15af755f6e drm/i915/plane: drop atomic from intel_atomic_plane_check_clipping() 
Align with intel_plane_check_src_coordinates(). The "atomic" is
superfluous.

Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/0bebd67e583b6ca56f788bd795ffe77db342e809.1750147992.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
 2025-06-19 12:14:29 +03:00
Jani Nikula
a649c2abfa drm/i915/plane: rename intel_atomic_plane.[ch] to intel_plane.[ch] 
It's all atomic, no need to emphasize this.

v2: Also update Documentation/gpu/i915.rst (Gustavo)

Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/ba5f304e9fe71723191d872e6828d461e1a572bd.1750147992.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
 2025-06-19 12:14:29 +03:00