If there is not a display (and so no CRTCs) then there is no upper limit to the framebuffer pitch imposed by the CRTC.
Signed-off-by: Chris Wilson <[email protected]> --- drivers/gpu/drm/i915/intel_display.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 3be5fa0acee8..7db14086fb02 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -14403,9 +14403,9 @@ static const struct drm_framebuffer_funcs intel_fb_funcs = { .dirty = intel_user_framebuffer_dirty, }; -static -u32 intel_fb_pitch_limit(struct drm_i915_private *dev_priv, - uint64_t fb_modifier, uint32_t pixel_format) +static u32 +intel_fb_pitch_limit(struct drm_i915_private *dev_priv, + uint64_t fb_modifier, uint32_t pixel_format) { struct intel_crtc *crtc; struct intel_plane *plane; @@ -14415,6 +14415,9 @@ u32 intel_fb_pitch_limit(struct drm_i915_private *dev_priv, * the highest stride limits of them all. */ crtc = intel_get_crtc_for_pipe(dev_priv, PIPE_A); + if (!crtc) + return U32_MAX; + plane = to_intel_plane(crtc->base.primary); return plane->max_stride(plane, pixel_format, fb_modifier, -- 2.19.0 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
