From: Jani Nikula Date: Mon, 21 Mar 2022 13:50:32 +0000 (+0200) Subject: drm/i915/dmc: fix i915_reg_t usage X-Git-Tag: v5.19-rc1~153^2~20^2~69 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ca2cae9a48dd09b90b7c33d20f12ec718ef0b571;p=thirdparty%2Flinux.git drm/i915/dmc: fix i915_reg_t usage i915_reg_t is supposed to be a somewhat opaque data type, not to be looked inside. Signed-off-by: Jani Nikula Reviewed-by: Lucas De Marchi Link: https://patchwork.freedesktop.org/patch/msgid/b813d0cf1b800386742eb3f919b0ba8d5c182a2a.1647870374.git.jani.nikula@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c index 2e11725a08285..5de13f978e570 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.c +++ b/drivers/gpu/drm/i915/display/intel_dmc.c @@ -816,7 +816,7 @@ static int intel_dmc_debugfs_status_show(struct seq_file *m, void *unused) struct drm_i915_private *i915 = m->private; intel_wakeref_t wakeref; struct intel_dmc *dmc; - i915_reg_t dc5_reg, dc6_reg = {}; + i915_reg_t dc5_reg, dc6_reg = INVALID_MMIO_REG; if (!HAS_DMC(i915)) return -ENODEV; @@ -868,7 +868,7 @@ static int intel_dmc_debugfs_status_show(struct seq_file *m, void *unused) } seq_printf(m, "DC3 -> DC5 count: %d\n", intel_de_read(i915, dc5_reg)); - if (dc6_reg.reg) + if (i915_mmio_reg_valid(dc6_reg)) seq_printf(m, "DC5 -> DC6 count: %d\n", intel_de_read(i915, dc6_reg));