return 0;
}
+static int vc5_hvs_debugfs_gamma(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = m->private;
+ struct drm_device *dev = node->minor->dev;
+ struct vc4_dev *vc4 = to_vc4_dev(dev);
+ struct drm_printer p = drm_seq_file_printer(m);
+ unsigned int i, chan;
+ u32 dispstat, dispbkgndx;
+
+ for (chan = 0; chan < SCALER_CHANNELS_COUNT; chan++) {
+ u32 x_c, grad;
+ u32 offset = SCALER5_DSPGAMMA_START +
+ chan * SCALER5_DSPGAMMA_CHAN_OFFSET;
+
+ dispstat = VC4_GET_FIELD(HVS_READ(SCALER_DISPSTATX(chan)),
+ SCALER_DISPSTATX_MODE);
+ if (dispstat == SCALER_DISPSTATX_MODE_DISABLED ||
+ dispstat == SCALER_DISPSTATX_MODE_EOF) {
+ drm_printf(&p, "HVS channel %u: Channel disabled\n", chan);
+ continue;
+ }
+
+ dispbkgndx = HVS_READ(SCALER_DISPBKGNDX(chan));
+ if (!(dispbkgndx & SCALER_DISPBKGND_GAMMA)) {
+ drm_printf(&p, "HVS channel %u: Gamma disabled\n", chan);
+ continue;
+ }
+
+ drm_printf(&p, "HVS channel %u:\n", chan);
+ drm_printf(&p, " red:\n");
+ for (i = 0; i < SCALER5_DSPGAMMA_NUM_POINTS; i++, offset += 8) {
+ x_c = HVS_READ(offset);
+ grad = HVS_READ(offset + 4);
+ drm_printf(&p, " %08x %08x - x %u, c %u, grad %u\n",
+ x_c, grad,
+ VC4_GET_FIELD(x_c, SCALER5_DSPGAMMA_OFF_X),
+ VC4_GET_FIELD(x_c, SCALER5_DSPGAMMA_OFF_C),
+ grad);
+ }
+ drm_printf(&p, " green:\n");
+ for (i = 0; i < SCALER5_DSPGAMMA_NUM_POINTS; i++, offset += 8) {
+ x_c = HVS_READ(offset);
+ grad = HVS_READ(offset + 4);
+ drm_printf(&p, " %08x %08x - x %u, c %u, grad %u\n",
+ x_c, grad,
+ VC4_GET_FIELD(x_c, SCALER5_DSPGAMMA_OFF_X),
+ VC4_GET_FIELD(x_c, SCALER5_DSPGAMMA_OFF_C),
+ grad);
+ }
+ drm_printf(&p, " blue:\n");
+ for (i = 0; i < SCALER5_DSPGAMMA_NUM_POINTS; i++, offset += 8) {
+ x_c = HVS_READ(offset);
+ grad = HVS_READ(offset + 4);
+ drm_printf(&p, " %08x %08x - x %u, c %u, grad %u\n",
+ x_c, grad,
+ VC4_GET_FIELD(x_c, SCALER5_DSPGAMMA_OFF_X),
+ VC4_GET_FIELD(x_c, SCALER5_DSPGAMMA_OFF_C),
+ grad);
+ }
+
+ /* Alpha only valid on channel 2 */
+ if (chan != 2)
+ continue;
+
+ drm_printf(&p, " alpha:\n");
+ for (i = 0; i < SCALER5_DSPGAMMA_NUM_POINTS; i++, offset += 8) {
+ x_c = HVS_READ(offset);
+ grad = HVS_READ(offset + 4);
+ drm_printf(&p, " %08x %08x - x %u, c %u, grad %u\n",
+ x_c, grad,
+ VC4_GET_FIELD(x_c, SCALER5_DSPGAMMA_OFF_X),
+ VC4_GET_FIELD(x_c, SCALER5_DSPGAMMA_OFF_C),
+ grad);
+ }
+ }
+ return 0;
+}
+
/* The filter kernel is composed of dwords each containing 3 9-bit
* signed integers packed next to each other.
*/
NULL);
vc4_debugfs_add_file(drm, "hvs_dlists", vc4_hvs_debugfs_dlist,
NULL);
+ if (hvs->hvs5)
+ vc4_debugfs_add_file(drm, "hvs_gamma", vc5_hvs_debugfs_gamma,
+ NULL);
return 0;
}