Rrefer to another patch [1] on mesa to extend width/height to 16384. For issue : - https://bugs.freedesktop.org/show_bug.cgi?id=102508 - LP: #1714178 Triple monitor display failed with Dell Dock (HiDPI)
[1] https://patchwork.freedesktop.org/patch/124918/
Signed-off-by: Alex Tu alex.tu@canonical.com --- drivers/gpu/drm/i915/intel_display.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 47a2f6acee50..556fa57b18b8 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -13905,7 +13905,7 @@ u32 intel_fb_pitch_limit(struct drm_i915_private *dev_priv, /* "The stride in bytes must not exceed the of the size of 8K * pixels and 32K bytes." */ - return min(8192 * cpp, 32768); + return min(16384 * cpp, 65536); } else if (gen >= 5 && !HAS_GMCH_DISPLAY(dev_priv)) { return 32*1024; } else if (gen >= 4) { @@ -14604,8 +14604,8 @@ int intel_modeset_init(struct drm_device *dev) dev->mode_config.max_width = 4096; dev->mode_config.max_height = 4096; } else { - dev->mode_config.max_width = 8192; - dev->mode_config.max_height = 8192; + dev->mode_config.max_width = 16384; + dev->mode_config.max_height = 16384; }
if (IS_I845G(dev_priv) || IS_I865G(dev_priv)) {