mirror of https://gitee.com/openkylin/linux.git
drm/nouveau: fix thinkos in mem timing table recordlen check
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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@ -35,6 +35,8 @@
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#include "drm_sarea.h"
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#include "nouveau_drv.h"
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#define MIN(a,b) a < b ? a : b
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/*
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* NV10-NV40 tiling helpers
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*/
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@ -717,14 +719,14 @@ nouveau_mem_timing_init(struct drm_device *dev)
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tUNK_19 = 1;
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tUNK_20 = 0;
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tUNK_21 = 0;
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switch (recordlen) {
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case 0x21:
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switch (MIN(recordlen,21)) {
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case 21:
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tUNK_21 = entry[21];
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case 0x20:
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case 20:
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tUNK_20 = entry[20];
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case 0x19:
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case 19:
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tUNK_19 = entry[19];
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case 0x18:
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case 18:
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tUNK_18 = entry[18];
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default:
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tUNK_0 = entry[0];
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