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drm/i915/fbdev: Select linear modifier explicitly

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Currently we use the implicit modifier fb creation path for fbdev,
but as we never call set_tiling on the bo it will always end up as
linear anyway. The rest of the code (eg. stride alignment) also
assumes that we'll use linear. Just select the linear modifier
explicitly.

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/20251003145734.7634-4-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä
2025-10-03 17:57:32 +03:00
parent 1d1e4ded21
commit 89394e03af
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/i915/display/intel_fbdev.c
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@@ -214,12 +214,14 @@ static void intel_fbdev_fill_mode_cmd(struct drm_fb_helper_surface_size *sizes,
if (sizes->surface_bpp == 24)
sizes->surface_bpp = 32;
mode_cmd->flags = DRM_MODE_FB_MODIFIERS;
mode_cmd->width = sizes->surface_width;
mode_cmd->height = sizes->surface_height;
mode_cmd->pitches[0] = ALIGN(mode_cmd->width * DIV_ROUND_UP(sizes->surface_bpp, 8), 64);
mode_cmd->pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
sizes->surface_depth);
mode_cmd->modifier[0] = DRM_FORMAT_MOD_LINEAR;
}
static struct intel_framebuffer *