From: Ben Skeggs Date: Tue, 4 Apr 2017 23:12:54 +0000 (+1000) Subject: drm/nouveau/kms/nv50: fix setting of HeadSetRasterVertBlankDmi method X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d639fbcc102745187f747a21bdcffcf628e174c8;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git drm/nouveau/kms/nv50: fix setting of HeadSetRasterVertBlankDmi method Cc: stable@vger.kernel.org [4.10+] Signed-off-by: Ben Skeggs --- diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 0b4440ffbeae..4405ca1fb3e2 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -2036,6 +2036,7 @@ nv50_head_atomic_check_mode(struct nv50_head *head, struct nv50_head_atom *asyh) u32 vbackp = (mode->vtotal - mode->vsync_end) * vscan / ilace; u32 hfrontp = mode->hsync_start - mode->hdisplay; u32 vfrontp = (mode->vsync_start - mode->vdisplay) * vscan / ilace; + u32 blankus; struct nv50_head_mode *m = &asyh->mode; m->h.active = mode->htotal; @@ -2049,9 +2050,10 @@ nv50_head_atomic_check_mode(struct nv50_head *head, struct nv50_head_atom *asyh) m->v.blanks = m->v.active - vfrontp - 1; /*XXX: Safe underestimate, even "0" works */ - m->v.blankus = (m->v.active - mode->vdisplay - 2) * m->h.active; - m->v.blankus *= 1000; - m->v.blankus /= mode->clock; + blankus = (m->v.active - mode->vdisplay - 2) * m->h.active; + blankus *= 1000; + blankus /= mode->clock; + m->v.blankus = blankus; if (mode->flags & DRM_MODE_FLAG_INTERLACE) { m->v.blank2e = m->v.active + m->v.synce + vbackp;