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drm/v3d: Skip debugfs dumping GCA on platforms without GCA.
commit2f20fa8d12
upstream. Fixes an oops reading this debugfs entry on BCM7278. Signed-off-by: Eric Anholt <eric@anholt.net> Link: https://patchwork.freedesktop.org/patch/msgid/20180928232126.4332-4-eric@anholt.net Fixes:57692c94dc
("drm/v3d: Introduce a new DRM driver for Broadcom V3D V3.x+") Cc: <stable@vger.kernel.org> Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 7 additions and 4 deletions
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@ -71,10 +71,13 @@ static int v3d_v3d_debugfs_regs(struct seq_file *m, void *unused)
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V3D_READ(v3d_hub_reg_defs[i].reg));
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}
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for (i = 0; i < ARRAY_SIZE(v3d_gca_reg_defs); i++) {
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seq_printf(m, "%s (0x%04x): 0x%08x\n",
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v3d_gca_reg_defs[i].name, v3d_gca_reg_defs[i].reg,
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V3D_GCA_READ(v3d_gca_reg_defs[i].reg));
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if (v3d->ver < 41) {
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for (i = 0; i < ARRAY_SIZE(v3d_gca_reg_defs); i++) {
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seq_printf(m, "%s (0x%04x): 0x%08x\n",
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v3d_gca_reg_defs[i].name,
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v3d_gca_reg_defs[i].reg,
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V3D_GCA_READ(v3d_gca_reg_defs[i].reg));
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}
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}
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for (core = 0; core < v3d->cores; core++) {
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