modesetting: Fix 16 bit depth/bpp mode
When setting DefaultDepth to 16 in the Screen section, the current
code requests a 32 bpp framebuffer, however the X-Server seems to
assumes 16 bpp.
Fixes commit 21217d0216
("modesetting: Implement 32->24 bpp
conversion in shadow update")
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Stefan Agner <stefan@agner.ch>
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parent
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@ -940,7 +940,7 @@ PreInit(ScrnInfoPtr pScrn, int flags)
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"Using 24bpp hw front buffer with 32bpp shadow\n");
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defaultbpp = 32;
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} else {
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ms->drmmode.kbpp = defaultbpp;
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ms->drmmode.kbpp = 0;
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}
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bppflags = PreferConvert24to32 | SupportConvert24to32 | Support32bppFb;
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@ -961,6 +961,8 @@ PreInit(ScrnInfoPtr pScrn, int flags)
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return FALSE;
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}
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xf86PrintDepthBpp(pScrn);
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if (!ms->drmmode.kbpp)
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ms->drmmode.kbpp = pScrn->bitsPerPixel;
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/* Process the options */
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xf86CollectOptions(pScrn, NULL);
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