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authorDave Airlie <airlied@redhat.com>2019-04-26 11:35:58 +1000
committerDave Airlie <airlied@redhat.com>2019-04-26 11:35:59 +1000
commit7c13e5cc2391950541f41fc9ab0336aae77c7f63 (patch)
treedde5d8f725d9790be802af1114d37c7c8c98f789 /drivers
parent5a67928651640233a44106c8a1a83a441a9e5648 (diff)
parent447811a686e8da7325516a78069ccfbd139ef1a7 (diff)
Merge tag 'drm-intel-next-fixes-2019-04-25' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
- Use after free fix during GEM_CREATE when reporting back object size - Icelake DP register programming order fix Signed-off-by: Dave Airlie <airlied@redhat.com> From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190425061312.GA2919@jlahtine-desk.ger.corp.intel.com
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c2
-rw-r--r--drivers/gpu/drm/i915/intel_ddi.c18
2 files changed, 9 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 0a818a60ad31..db88ce4d5509 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -647,7 +647,7 @@ i915_gem_create(struct drm_file *file,
return ret;
*handle_p = handle;
- *size_p = obj->base.size;
+ *size_p = size;
return 0;
}
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 24f9106efcc6..f181c26f62fd 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -2905,21 +2905,20 @@ static void icl_enable_phy_clock_gating(struct intel_digital_port *dig_port)
struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev);
enum port port = dig_port->base.port;
enum tc_port tc_port = intel_port_to_tc(dev_priv, port);
- i915_reg_t mg_regs[2] = { MG_DP_MODE(0, port), MG_DP_MODE(1, port) };
u32 val;
- int i;
+ int ln;
if (tc_port == PORT_TC_NONE)
return;
- for (i = 0; i < ARRAY_SIZE(mg_regs); i++) {
- val = I915_READ(mg_regs[i]);
+ for (ln = 0; ln < 2; ln++) {
+ val = I915_READ(MG_DP_MODE(ln, port));
val |= MG_DP_MODE_CFG_TR2PWR_GATING |
MG_DP_MODE_CFG_TRPWR_GATING |
MG_DP_MODE_CFG_CLNPWR_GATING |
MG_DP_MODE_CFG_DIGPWR_GATING |
MG_DP_MODE_CFG_GAONPWR_GATING;
- I915_WRITE(mg_regs[i], val);
+ I915_WRITE(MG_DP_MODE(ln, port), val);
}
val = I915_READ(MG_MISC_SUS0(tc_port));
@@ -2938,21 +2937,20 @@ static void icl_disable_phy_clock_gating(struct intel_digital_port *dig_port)
struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev);
enum port port = dig_port->base.port;
enum tc_port tc_port = intel_port_to_tc(dev_priv, port);
- i915_reg_t mg_regs[2] = { MG_DP_MODE(port, 0), MG_DP_MODE(port, 1) };
u32 val;
- int i;
+ int ln;
if (tc_port == PORT_TC_NONE)
return;
- for (i = 0; i < ARRAY_SIZE(mg_regs); i++) {
- val = I915_READ(mg_regs[i]);
+ for (ln = 0; ln < 2; ln++) {
+ val = I915_READ(MG_DP_MODE(ln, port));
val &= ~(MG_DP_MODE_CFG_TR2PWR_GATING |
MG_DP_MODE_CFG_TRPWR_GATING |
MG_DP_MODE_CFG_CLNPWR_GATING |
MG_DP_MODE_CFG_DIGPWR_GATING |
MG_DP_MODE_CFG_GAONPWR_GATING);
- I915_WRITE(mg_regs[i], val);
+ I915_WRITE(MG_DP_MODE(ln, port), val);
}
val = I915_READ(MG_MISC_SUS0(tc_port));