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drm/rockchip: fix VOP_REG_SUPPORT judge wrong

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If the register isn't define at rockchip_vop_reg.c, the default value
of reg.major is 0, this will lead to judge error. so we add reg.mask
conditions because if it's defined register, the reg.mask can't be 0.

Change-Id: I753b92476fda15a64f94e4a8a47894c5ac3a1a7f
Signed-off-by: Sandy Huang <hjc@rock-chips.com>
This commit is contained in:
Sandy Huang
2017-12-26 16:20:26 +08:00
parent 2d2a4b860e
commit eaa2077de0
1 changed files with 5 additions and 4 deletions
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9
drivers/gpu/drm/rockchip/rockchip_drm_vop.c
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@@ -51,10 +51,11 @@
#define MAX_VOPS 2
#define VOP_REG_SUPPORT(vop, reg) \
(!reg.major || (reg.major == VOP_MAJOR(vop->version) && \
reg.begin_minor <= VOP_MINOR(vop->version) && \
reg.end_minor >= VOP_MINOR(vop->version) && \
reg.mask))
(reg.mask && \
(!reg.major || \
(reg.major == VOP_MAJOR(vop->version) && \
reg.begin_minor <= VOP_MINOR(vop->version) && \
reg.end_minor >= VOP_MINOR(vop->version))))
#define VOP_WIN_SUPPORT(vop, win, name) \
VOP_REG_SUPPORT(vop, win->phy->name)