Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/i915/scaler: Fix WA_14011503117
This introduces and uses a variable id which is just uninitialized.
What really needs to be used is the scaler_id.
Fixes: 73309ed9d598 ("drm/i915/display: WA_14011503117")
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Nemesa Garg <nemesa.garg@intel.com>
Link: https://lore.kernel.org/r/20250806030856.3514127-1-suraj.kandpal@intel.com
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-2
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-2
drivers/gpu/drm/i915/display/skl_scaler.c
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-2
drivers/gpu/drm/i915/display/skl_scaler.c
···
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struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
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const struct intel_crtc_scaler_state *scaler_state =
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&crtc_state->scaler_state;
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-
int id;
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if (!scaler_state && scaler_state->scaler_id == -1)
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return;
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-
intel_de_write_fw(display, SKL_PS_ECC_STAT(crtc->pipe, id), 1);
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+
intel_de_write_fw(display,
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SKL_PS_ECC_STAT(crtc->pipe, scaler_state->scaler_id),
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1);
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intel_de_write(display, XELPD_DISPLAY_ERR_FATAL_MASK, 0);
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}