drm/xe: Define xe_reg_is_valid

Add a function to check if struct xe_reg has valid address.

v2:
 - Rebase.
 - Make xe_reg_is_valid as inline function instead of a macro. (Badal).
 - Update commit msg.

Signed-off-by: Karthik Poosa <karthik.poosa@intel.com>
Suggested-by: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Badal Nilawar <badal.nilawar@intel.com>
Reviewed-by: Badal Nilawar <badal.nilawar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240405130127.1392426-2-karthik.poosa@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>

diff --git a/drivers/gpu/drm/xe/regs/xe_reg_defs.h b/drivers/gpu/drm/xe/regs/xe_reg_defs.h
index c89ef2b79a3f9f920e0ee8b7f702359a9786edb6..23f7dc5bbe995bb7968049069c18249833a66789 100644 (file)
--- a/drivers/gpu/drm/xe/regs/xe_reg_defs.h
+++ b/drivers/gpu/drm/xe/regs/xe_reg_defs.h
@@ -131,4 +131,9 @@ struct xe_reg_mcr {
                                 .__reg = XE_REG_INITIALIZER(r_,  ##__VA_ARGS__, .mcr = 1)      \
                                 })
 
+static inline bool xe_reg_is_valid(struct xe_reg r)
+{
+       return r.addr;
+}
+
 #endif