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SubjectRe: [PATCH] drm/i915: Increase max texture to 16k for gen9+
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+ Ville as Jani is OoO

On Thu, 2017-12-07 at 17:26 +0800, Alex Tu wrote:
> 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)) {
--
Joonas Lahtinen
Open Source Technology Center
Intel Corporation

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