freedreno/a3xx: Fix SP_FS_CTRL_REG1_INITIALOUTSTANDING

Unfortunately this didn't fix anything, but I thought I might as well
include it.

Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10076>

src/freedreno/ir3/ir3_compiler_nir.c

@@ -1390,6 +1390,8 @@ static void add_sysval_input_compmask(struct ir3_context *ctx,
 	so->inputs[n].slot = slot;
 	so->inputs[n].compmask = compmask;
 	so->total_in++;
+
+	so->sysval_in += util_last_bit(compmask);
 }
 
 static struct ir3_instruction *

src/freedreno/ir3/ir3_shader.h

@@ -607,6 +607,9 @@ struct ir3_shader_variant {
 	 */
 	unsigned total_in;
 
+	/* sum of sysval input components (scalar). */
+	unsigned sysval_in;
+
 	/* For frag shaders, the total number of inputs (not scalar,
 	 * ie. SP_VS_PARAM_REG.TOTALVSOUTVAR)
 	 */

src/gallium/drivers/freedreno/a3xx/fd3_program.c

@@ -308,7 +308,7 @@ fd3_program_emit(struct fd_ringbuffer *ring, struct fd3_emit *emit,
 				COND(fp->need_pixlod, A3XX_SP_FS_CTRL_REG0_PIXLODENABLE) |
 				A3XX_SP_FS_CTRL_REG0_LENGTH(fpbuffersz));
 		OUT_RING(ring, A3XX_SP_FS_CTRL_REG1_CONSTLENGTH(fp->constlen) |
-				A3XX_SP_FS_CTRL_REG1_INITIALOUTSTANDING(fp->total_in) |
+				A3XX_SP_FS_CTRL_REG1_INITIALOUTSTANDING(fp->sysval_in) |
 				A3XX_SP_FS_CTRL_REG1_CONSTFOOTPRINT(MAX2(fp->constlen - 1, 0)) |
 				A3XX_SP_FS_CTRL_REG1_HALFPRECVAROFFSET(63));