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Commit de9c27bf authored by Jesse Barnes's avatar Jesse Barnes Committed by Chris Wilson
Browse files

drm/i915: don't write TU size to N1 reg 



TU size is only part of the M1 and M2 regs, not the N regs.  This keeps
us from overwriting a reserved field.

Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
parent 0e23b99d

drivers/gpu/drm/i915/intel_display.c

+1 −1
Original line number Diff line number Diff line
@@ -4170,7 +4170,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, 


	if (HAS_PCH_SPLIT(dev)) {

		I915_WRITE(data_m1_reg, TU_SIZE(m_n.tu) | m_n.gmch_m);

		I915_WRITE(data_n1_reg, TU_SIZE(m_n.tu) | m_n.gmch_n);

		I915_WRITE(data_n1_reg, m_n.gmch_n);

		I915_WRITE(link_m1_reg, m_n.link_m);

		I915_WRITE(link_n1_reg, m_n.link_n);